LAKE AUSTIN BLVD
LAKE AUSTIN BLVD in Lady Bird Lake Intchng, Travis County, Texas received a condition grade of B (77/100). Built in 1975, the bridge carries 123K vehicles daily on LAKE AUSTIN BLVD over 1st ST To Lp 1 SB Ramp.
LAKE AUSTIN BLVD carries a B on the BridgeSafety Condition Score with 77/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1975 and is now 51 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. LAKE AUSTIN BLVD carries an average daily traffic count of 122,710 vehicles, with 6 lane(s) crossing 1st ST To Lp 1 SB Ramp. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
LAKE AUSTIN BLVD is a 51-year-old bridge located Lady Bird Lake Intchng in Travis County, Texas. The bridge carries LAKE AUSTIN BLVD over 1st ST To Lp 1 SB Ramp with 6 traffic lanes, handling approximately 123K vehicles per day. Built in 1975, the structure spans 58.8 meters.
The bridge received a Condition Grade of B (77/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
LAKE AUSTIN BLVD has a Condition Score of 77/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
LAKE AUSTIN BLVD was built in 1975, making it 51 years old. The average bridge age in the United States is 48 years.
LAKE AUSTIN BLVD carries approximately 123K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 58.8 meters long and located on LAKE AUSTIN BLVD in Lady Bird Lake Intchng, Travis County, Texas.
No, LAKE AUSTIN BLVD is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
LAKE AUSTIN BLVD is located Lady Bird Lake Intchng in Travis County, Texas. The bridge carries LAKE AUSTIN BLVD over 1st ST To Lp 1 SB Ramp. Its coordinates are 30.277161, -97.769992. It is maintained by State Highway Agency.
LAKE AUSTIN BLVD carries LAKE AUSTIN BLVD over 1st ST To Lp 1 SB Ramp. The bridge is 58.8 meters long and was built in 1975.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.