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Bridge Statistics for Magnolia, Texas (TX)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 351ft / 107mTotal length
  • 98,260Total average daily traffic
  • 6,476Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Magnolia
  • No street view available for this location

New bridges in Magnolia, TX - historical statistics
  • New bridges - historical statistics
  • 21950-1959
  • 11980-1989
  • 21990-1999
  • 42000-2009
  • 22010-2019
  • 42020-2022
Reconstructed bridges in Magnolia, TX - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11990-1999
  • 12000-2009
Average Bridge Daily Traffic in Magnolia, TX
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 80.0%Very good
  • 20.0%Good
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 40.0%Very good
  • 40.0%Good
  • 20.0%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 9.1%Very good
  • 54.5%Good
  • 27.3%Satisfactory
  • 9.1%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 75.0%Good
  • 12.5%Satisfactory
  • 12.5%Fair
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Structure Number: 121700052308013,  Location: 1.75 MI SW OF FM 1774 (Lat: 30.197119,  Lng: -95.777825),  Route carried "on" structure: State highway 1488,  Year Built: 1955,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 9,663 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 11,450 (year 2033),  Features Intersected: MINK BRANCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.823,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020
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Structure Number: 121700052308025,  Location: 3.40 MI SW OF FM 1774 (Lat: 30.189464,  Lng: -95.803583),  Route carried "on" structure: State highway 1488,  Year Built: 1989,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 6,283 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 11,450 (year 2033),  Design Load: HS 20,  Features Intersected: LOG GULLY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.240,  Lanes on structure: 3,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: September 2020
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Structure Number: 12170014000402,  Location: 0.5 MI W OF FM 1488 (Lat: 30.213925,  Lng: -95.760800),  Route carried "on" structure: State highway 1774,  Year Built: 2020,  Status: Open,  Structure Length: 46.36m (152.10ft),  Average Daily Traffic: 12,865 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 15,439 (year 2039),  Design Load: HL 93,  Features Intersected: UPRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 10,  Length of Maximum Span: 79.2m (259.8ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 121700140004021,  Location: 0.5 MI W OF FM 1488 (Lat: 30.213972,  Lng: -95.761028),  Route carried "on" structure: State highway 1774,  Year Built: 2020,  Status: Open,  Structure Length: 46.36m (152.10ft),  Average Daily Traffic: 12,865 (year 2019),  Truck Traffic: 6%,  Average Future Daily Traffic: 15,439 (year 2039),  Design Load: HL 93,  Features Intersected: UPRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 9,  Length of Maximum Span: 79.2m (259.8ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 121700140004022,  Location: 0.86 MI SE OF FM 1488 (Lat: 30.204597,  Lng: -95.742033),  Route carried "on" structure: State highway 1774,  Year Built: 2013,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 18,442 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 20,900 (year 2031),  Features Intersected: DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.713,  Lanes on structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 1.5m (4.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: No rating analysis performed,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: No rating analysis performed,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2020
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Structure Number: 121700141603009,  Location: 7.6 MI S OF SH 105 (Lat: 30.260236,  Lng: -95.770639),  Route carried "on" structure: State highway 1486,  Year Built: 1954,  Year Reconstructed: 2008,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 4,676 (year 2016),  Truck Traffic: 10%,  Average Future Daily Traffic: 7,100 (year 2033),  Design Load: HS 20,  Features Intersected: CLEAR CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.636,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.1m (6.9ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020
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Structure Number: 12170014160302,  Location: 1.50 MI N OF FM 1774 (Lat: 30.238303,  Lng: -95.770469),  Route carried "on" structure: State highway 1486,  Year Built: 2006,  Status: Open,  Structure Length: 5.03m (16.50ft),  Average Daily Traffic: 4,676 (year 2016),  Truck Traffic: 11%,  Average Future Daily Traffic: 10,770 (year 2036),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.053,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 14.2m (46.6ft),  Out-to-Out Width: 14.9m (48.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 121700A0002402,  Location: 1.2 MI S OF FM 1488 (Lat: 30.174925,  Lng: -95.783322),  Route carried "on" structure: Other road ,  Year Built: 2018,  Status: Open,  Structure Length: 1.68m (5.51ft),  Average Daily Traffic: 100 (year 2018),  Truck Traffic: 2%,  Average Future Daily Traffic: 1 (year 1900),  Design Load: HL 93,  Features Intersected: LOG GULLY,  Facility Carried by Structure: ALFORD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 121700A00403016,  Location: 0.05 MI E OF NCLS SAWMILL (Lat: 30.186547,  Lng: -95.752247),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 250 (year 2016),  Truck Traffic: 1%,  Average Future Daily Traffic: 350 (year 2036),  Features Intersected: ARNOLD BRANCH,  Facility Carried by Structure: GRAND OAKS BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.080,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021
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Structure Number: 121700A01039031,  Location: 0.10 MI N OF FM 1488 (Lat: 30.191431,  Lng: -95.802411),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 400 (year 2016),  Truck Traffic: 1%,  Average Future Daily Traffic: 500 (year 2035),  Design Load: HS 20,  Features Intersected: LOG GULLY,  Facility Carried by Structure: RANCH CREST DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021
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Structure Number: 121700AA0585041,  Location: 25 FT SW OF GOODSON RD (Lat: 30.209133,  Lng: -95.763472),  Route carried "on" structure: County highway ,  Year Built: 2005,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 210 (year 2013),  Truck Traffic: 5%,  Average Future Daily Traffic: 500 (year 2033),  Design Load: HL 93,  Features Intersected: ARNOLD BRANCH,  Facility Carried by Structure: OLD HEMPSTEAD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 1 degrees,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 1.5m (4.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021
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Structure Number: 121700AA2062001,  Location: 0.1 MI E OF SAWMILL RD (Lat: 30.178631,  Lng: -95.751808),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 400 (year 2013),  Truck Traffic: 5%,  Average Future Daily Traffic: 500 (year 2033),  Design Load: HS 20,  Features Intersected: ARNOLD BRANCH,  Facility Carried by Structure: VETERAN'S RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 121700J0017501,  Location: 1.3 MI S OF MAGNOLIA BLVD (Lat: 30.190453,  Lng: -95.752703),  Route carried "on" structure: City street ,  Year Built: 1998,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 1,700 (year 2016),  Truck Traffic: 1%,  Average Future Daily Traffic: 2,500 (year 2036),  Features Intersected: ARNOLD BRANCH,  Facility Carried by Structure: NICHOLS SAWMILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.092,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021
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Structure Number: 12170014000402,  Location: 0.5 MI W OF FM 1488 (Lat: 30.213925,  Lng: -95.760800),  Route carried "under" structure: Ramp State highway 1774,  Year Built: 2020,  Structure Length: 0. m,  Average Daily Traffic: 12,865 (year 2019),  Truck Traffic: 6%,  Features Intersected: UPRR
Minimum Vertical Clearance: 7.62m (25.00ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 79.2m (259.8ft)

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Structure Number: 121700140004021,  Location: 0.5 MI W OF FM 1488 (Lat: 30.213972,  Lng: -95.761028),  Route carried "under" structure: Ramp State highway 1774,  Year Built: 2020,  Structure Length: 0. m,  Average Daily Traffic: 12,865 (year 2019),  Truck Traffic: 6%,  Features Intersected: UPRR
Minimum Vertical Clearance: 7.62m (25.00ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 79.2m (259.8ft)

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