Crunching the numbers on America's infrastructure...
Crunching the numbers on America's infrastructure...
Fetching data from the National Bridge Inventory...
over RR 12CITY ST& STRM
I135 WL VDT ENG TO 18TH
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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 43,946 vehicles per day and is 49 years old (reconstructed in 2020).
Its sufficiency rating of 70.3 is above the national average of 63.6.
The NBI records a navigation clearance of 15 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 12497 feet long — an extended crossing, several minutes.
A standard overpass design with solid barriers on each side.
About 15 feet above ground — standard overpass height.
About 43,946 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 54 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
1977
49 years old (rebuilt 2020)
Structure Type
Concrete (Continuous) Box Beam (Multiple)
Total Length
2.37 mi
3809.0 m
Deck Width
54 ft
16.6 m
Spans
8
sections between supports
Max Span
106 ft
longest unsupported section (32.3 m)
Traffic Lanes
3 lanes
One-way traffic
Clearance Below
15 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
43,946vehicles/day
37.69611°N, 97.31639°W
Concrete (Continuous) Box Beam (Multiple)
A concrete box beam bridge uses hollow rectangular concrete sections. The box shape provides excellent torsional resistance and allows for longer spans.
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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.