Why did the truss bridge break up with the beam bridge? It needed more support.
Why did the truss bridge break up with the beam bridge? It needed more support.
Crunching the numbers on America's infrastructure...
over E Branch Elizabeth River
0.16 MI FR INT I-464
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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 53,070 vehicles per day and is 36 years old.
Its sufficiency rating of 68.7 is above the national average of 63.6.
The NBI records a navigation clearance of 48 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 1200 feet long — a moderate crossing, about 30 seconds.
A movable bridge — it may occasionally stop for boat traffic.
About 48 feet above ground — moderate height, similar to a 3-5 story building.
About 53,070 vehicles cross daily — heavy traffic, congestion likely during rush hours.
The deck is 78 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
1990
36 years old
Structure Type
Steel Movable (Bascule)
Total Length
1,200 ft
365.8 m
Deck Width
78 ft
23.9 m
Spans
2
sections between supports
Max Span
230 ft
longest unsupported section (70.1 m)
Traffic Lanes
4 lanes
One-way traffic
Clearance Below
48 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
53,070vehicles/day
36.83923°N, 76.28674°W
Steel Movable (Bascule)
A movable bridge can change position to allow passage of boats or other traffic. Steel movable bridges include lift, bascule (drawbridge), and swing types.
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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.