IH 35
IH 35 in 0.185 MI N Of Hays C/L, Travis County, Texas received a condition grade of F (0/100). Built in 1933, the bridge carries 136K vehicles daily on IH 35 over Manchaca Creek. It is classified as structurally deficient.
IH 35 carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1933, making it 93 years old — well beyond the typical 50-year design life of bridges constructed in that era. Bridges of this vintage usually need substantial rehabilitation or replacement once their original components have aged out, regardless of current condition ratings. IH 35 carries an average daily traffic count of 135,535 vehicles, with 12 lane(s) crossing Manchaca Creek. 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 is a 93-year-old bridge located 0.185 MI N Of Hays C/L in Travis County, Texas. The bridge carries IH 35 over Manchaca Creek with 12 traffic lanes, handling approximately 136K vehicles per day. Built in 1933 and reconstructed in 2008, the structure spans 6.7 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 35 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
IH 35 was built in 1933 and reconstructed in 2008, making it 93 years old. The average bridge age in the United States is 48 years.
IH 35 carries approximately 136K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 6.7 meters long and located on IH 35 in 0.185 MI N Of Hays C/L, Travis County, Texas.
Yes, IH 35 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
IH 35 is located 0.185 MI N Of Hays C/L in Travis County, Texas. The bridge carries IH 35 over Manchaca Creek. Its coordinates are 30.101275, -97.812217. It is maintained by State Highway Agency.
IH 35 carries IH 35 over Manchaca Creek. The bridge is 6.7 meters long and was built in 1933, with reconstruction in 2008.
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.