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Fort Duquesne Bridge
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This bridge has a Fair overall condition rating of 5 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 19,116 vehicles per day and is 58 years old (reconstructed in 2009).
Its sufficiency rating of 55.3 places it below the national average of 63.6.
The NBI records a navigation clearance of 30 feet — the minimum vertical space below the bridge deck. The total height of the bridge structure (including towers, railings, and superstructure) may be higher.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 452 feet long — a short crossing, about 10-15 seconds.
A standard overpass design with solid barriers on each side.
About 30 feet above ground — moderate height, similar to a 3-5 story building.
About 19,116 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 31 feet wide with 1-2 lanes — a narrower crossing.
This bridge crosses over water. Focus on the road ahead — the water is far below.
This comfort score is designed to help individuals with bridge anxiety plan their travel. All bridges in the National Bridge Inventory are regularly inspected and deemed safe for travel. This is not medical advice — if you experience severe anxiety, please consult a healthcare professional.
Year Built
1968
58 years old (rebuilt 2009)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
452 ft
137.8 m
Deck Width
31 ft
9.3 m
Spans
3
sections between supports
Max Span
114 ft
longest unsupported section (34.7 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
30 ft
navigation clearance under deck
Clearance height compared to familiar objects
Height shown is the navigation clearance below the bridge deck. The total height of the bridge structure (including towers and superstructure) may be higher.
Daily Traffic
19,116vehicles/day
40.44292°N, 80.00880°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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Data from the National Bridge Inventory (NBI), maintained by the Federal Highway Administration (FHWA).
Data year: 2025. Conditions may have changed since the last inspection.
This information is provided for educational and informational purposes only. It should not be used as the sole basis for any decisions related to bridge safety or transportation planning. Always consult official sources and local authorities for the most current data.