IH 35 NB AND SB
IH 35 NB AND SB in 5.50 MI S Of US 183, Travis County, Texas received a condition grade of B (63/100). Built in 1962, the bridge carries 144K vehicles daily on IH 35 NB AND SB over 6th; 7th And 8th Streets.
IH 35 NB AND SB carries a B on the BridgeSafety Condition Score with 63/100. 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 1962 and is now 64 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. IH 35 NB AND SB carries an average daily traffic count of 143,744 vehicles, with 6 lane(s) crossing 6th; 7th And 8th Streets. 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
IH 35 NB AND SB is a 64-year-old bridge located 5.50 MI S Of US 183 in Travis County, Texas. The bridge carries IH 35 NB AND SB over 6th; 7th And 8th Streets with 6 traffic lanes, handling approximately 144K vehicles per day. Built in 1962, the structure spans 273.4 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 35 NB AND SB has a Condition Score of 63/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
IH 35 NB AND SB was built in 1962, making it 64 years old. The average bridge age in the United States is 48 years.
IH 35 NB AND SB carries approximately 144K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 273.4 meters long and located on IH 35 NB AND SB in 5.50 MI S Of US 183, Travis County, Texas.
No, IH 35 NB AND SB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IH 35 NB AND SB is located 5.50 MI S Of US 183 in Travis County, Texas. The bridge carries IH 35 NB AND SB over 6th; 7th And 8th Streets. Its coordinates are 30.266708, -97.734269. It is maintained by State Highway Agency.
IH 35 NB AND SB carries IH 35 NB AND SB over 6th; 7th And 8th Streets. The bridge is 273.4 meters long and was built in 1962.
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.