Analyzing deck conditions, superstructure ratings, and bad puns...
Analyzing deck conditions, superstructure ratings, and bad puns...
Why don't bridges ever get lonely? Because they're always making connections.
over NORFOLK S RR OHIO RIVER
McKees Rocks Bridge (Main
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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 29,612 vehicles per day and is 95 years old (reconstructed in 1987).
Its sufficiency rating of 59.3 places it below the national average of 63.6.
The NBI records a navigation clearance of 16 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 has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 3754 feet long — an extended crossing, several minutes.
An arch bridge design with some openness to the surroundings.
About 16 feet above ground — standard overpass height.
About 29,612 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 52 feet wide with 3-4 lanes — standard width.
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
1931
95 years old (rebuilt 1987)
Structure Type
Steel Arch (Thru)
Total Length
3,754 ft
1144.2 m
Deck Width
52 ft
15.8 m
Spans
1
sections between supports
Max Span
750 ft
longest unsupported section (228.6 m)
Traffic Lanes
3 lanes
Two-way traffic
Clearance Below
16 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
29,612vehicles/day
40.47597°N, 80.05646°W
Steel Arch (Thru)
A steel arch bridge uses a curved steel structure to carry loads primarily through compression. These bridges are known for their elegant appearance and structural efficiency.
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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.