Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
over SR 87 CONNS STRS RIVER
04-SCL-280-R2.19-SJS
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 111,250 vehicles per day and is 55 years old.
Its sufficiency rating of 73.2 is above the national average of 63.6.
The NBI records a navigation clearance of 16 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 2511 feet long — a longer crossing, over 1 minute.
A standard overpass design with solid barriers on each side.
About 16 feet above ground — standard overpass height.
About 111,250 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 68 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
1971
55 years old
Structure Type
Concrete (Continuous) Box Beam (Multiple)
Total Length
2,511 ft
765.4 m
Deck Width
68 ft
20.7 m
Spans
26
sections between supports
Max Span
108 ft
longest unsupported section (32.8 m)
Traffic Lanes
4 lanes
One-way traffic
Clearance Below
16 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
111,250vehicles/day
37.32525°N, 121.88668°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.