Bridge Statistics for Back Mountain, Pennsylvania (PA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs
- National Bridge Inventory (NBI) Statistics
- 40Number of bridges
- 148ft / 44.9mTotal length
- $9,181,000Total costs
- 317,811Total average daily traffic
- 20,936Total average daily truck traffic
- National Bridge Inventory (NBI) Registered Bridges for Back Mountain
- No street view available for this location
- New bridges - historical statistics
- 51920-1929
- 51930-1939
- 101940-1949
- 21950-1959
- 21960-1969
- 41970-1979
- 21980-1989
- 61990-1999
- 12000-2009
- 32010-2019
- Reconstructed bridges - Historical Statistics
- 51950-1959
- 11960-1969
- 01970-1979
- 61980-1989
- 11990-1999
- 22000-2009
- Bridge Condition - Deck
- 6.9%Very good
- 10.3%Good
- 31.0%Satisfactory
- 27.6%Fair
- 20.7%Poor
- 3.4%Serious
- Bridge Condition - Superstructure
- 3.3%Excellent
- 10.0%Very good
- 3.3%Good
- 20.0%Satisfactory
- 33.3%Fair
- 23.3%Poor
- 6.7%Serious
- Bridge Condition - Substructure
- 20.0%Good
- 16.7%Satisfactory
- 33.3%Fair
- 26.7%Poor
- 3.3%Serious
- Bridge Condition - Channel
- 2.9%Very good
- 23.5%Good
- 23.5%Satisfactory
- 17.6%Fair
- 32.4%Poor
- Bridge Condition - Culverts
- 16.7%Very good
- 33.3%Good
- 16.7%Poor
- 33.3%Critical