The average US bridge is 48 years old. That's a lot of birthday candles.
The average US bridge is 48 years old. That's a lot of birthday candles.
Analyzing deck conditions, superstructure ratings, and bad puns...
over POTOMAC RIVER & OHIO DR.
SB I-395 HOV & Poto Rvr
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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 178,242 vehicles per day and is 66 years old (reconstructed in 1984).
Its sufficiency rating of 60.7 places it below 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 2265 feet long — a longer crossing, over 1 minute.
A standard overpass design with solid barriers on each side.
About 15 feet above ground — standard overpass height.
About 178,242 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 67 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
1960
66 years old (rebuilt 1984)
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
2,265 ft
690.4 m
Deck Width
67 ft
20.3 m
Spans
15
sections between supports
Max Span
165 ft
longest unsupported section (50.3 m)
Traffic Lanes
4 lanes
Two-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
178,242vehicles/day
38.87889°N, 77.03917°W
Steel (Continuous) 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.