Why was the bridge always tired? Too many crossings.
Why was the bridge always tired? Too many crossings.
Fun fact: The average American crosses 4 bridges a day without even noticing.
over 1ST ST UNDERPASS METR
S 2571 T 45 N R 7 E
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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 2,000 vehicles per day and is 152 years old (reconstructed in 2003).
Its sufficiency rating of 53.4 places it below the national average of 63.6.
The NBI records a navigation clearance of 55 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 4007 feet long — an extended crossing, several minutes.
An arch bridge design with some openness to the surroundings.
About 55 feet above ground — an elevated crossing, similar to a 5-10 story building.
About 2,000 vehicles cross daily — light traffic, a smooth crossing.
The deck is 50 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
1874
152 years old (rebuilt 2003)
Structure Type
Steel Arch (Deck)
Total Length
4,007 ft
1221.3 m
Deck Width
50 ft
15.2 m
Spans
3
sections between supports
Max Span
552 ft
longest unsupported section (168.4 m)
Traffic Lanes
4 lanes
Two-way traffic
Clearance Below
55 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
2,000vehicles/day
38.62922°N, 90.18219°W
Steel Arch (Deck)
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.