Over 5 billion bridge crossings happen every single day in America.
Over 5 billion bridge crossings happen every single day in America.
Fetching data from the National Bridge Inventory...
over M. BAY 90 98 I10WB RAMP
EAST TUNNEL INTERCHANGE
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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 32,387 vehicles per day and is 48 years old.
Its sufficiency rating of 57.0 places it below the national average of 63.6.
The NBI records a navigation clearance of 24 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 39723 feet long — an extended crossing, several minutes.
A standard overpass design with solid barriers on each side.
About 24 feet above ground — moderate height, similar to a 3-5 story building.
About 32,387 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 42 feet wide with 2-3 lanes — moderate 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
1978
48 years old
Structure Type
Steel (Continuous) Stringer/Multi-beam/Girder
Total Length
7.52 mi
12107.6 m
Deck Width
42 ft
12.8 m
Spans
2
sections between supports
Max Span
154 ft
longest unsupported section (46.9 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
24 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
32,387vehicles/day
30.69200°N, 88.02892°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.