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.
41,685 bridges are in poor condition. But this loading screen isn't one of them.
over UPRR; 5TH AND 6TH STS
LADY BIRD LAKE INTCHNG
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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 14,120 vehicles per day and is 51 years old.
Its sufficiency rating of 65.9 is above the national average of 63.6.
The NBI records a navigation clearance of 23 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 may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 1109 feet long — a moderate crossing, about 30 seconds.
A standard overpass design with solid barriers on each side.
About 23 feet above ground — moderate height, similar to a 3-5 story building.
About 14,120 vehicles cross daily — moderate traffic, some congestion possible.
The deck is 42 feet wide with 2-3 lanes — moderate width.
This bridge crosses over land, not water — no water views 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
1975
51 years old
Structure Type
Prestressed Concrete Stringer/Multi-beam/Girder
Total Length
1,109 ft
338.0 m
Deck Width
42 ft
12.8 m
Spans
11
sections between supports
Max Span
114 ft
longest unsupported section (34.7 m)
Traffic Lanes
2 lanes
One-way traffic
Clearance Below
23 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
14,120vehicles/day
30.27691°N, 97.76725°W
Prestressed Concrete Stringer/Multi-beam/Girder
A prestressed concrete stringer bridge uses pretensioned concrete beams, where steel tendons are stretched before concrete is poured. This creates stronger, lighter 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.