What's a bridge's favorite exercise? Cross-fit.
What's a bridge's favorite exercise? Cross-fit.
41,685 bridges are in poor condition. But this loading screen isn't one of them.
over MON RIVER CSX RR
BIRMINGHAM BRIDGE
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Fair overall condition rating of 6 out of 9. While it is not classified as structurally deficient, it shows some deterioration that is being monitored.
The bridge carries 25,692 vehicles per day and is 50 years old (reconstructed in 2016).
Its sufficiency rating of 68.5 is above 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 has some features that may be challenging for travelers with bridge anxiety. See the tips below for a more comfortable crossing.
This bridge is 1662 feet long — a longer crossing, over 1 minute.
An arch bridge design with some openness to the surroundings.
About 30 feet above ground — moderate height, similar to a 3-5 story building.
About 25,692 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 105 feet wide with multiple lanes — easy to stay in a center lane.
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
1976
50 years old (rebuilt 2016)
Structure Type
Steel Arch (Thru)
Total Length
1,662 ft
506.6 m
Deck Width
105 ft
32.0 m
Spans
1
sections between supports
Max Span
620 ft
longest unsupported section (189.0 m)
Traffic Lanes
2 lanes
Two-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
25,692vehicles/day
40.43241°N, 79.97358°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.