IH 35 ML & NBFR
IH 35 ML & NBFR in 0.8 MI S Of Fm 620, Williamson County, Texas received a condition grade of F (0/100). Built in 1960, the bridge carries 209K vehicles daily on IH 35 ML & NBFR over Draw. It is classified as structurally deficient.
IH 35 ML & NBFR 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 1960 and is now 66 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 ML & NBFR carries an average daily traffic count of 209,037 vehicles, with 11 lane(s) crossing Draw. 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 ML & NBFR is a 66-year-old bridge located 0.8 MI S Of Fm 620 in Williamson County, Texas. The bridge carries IH 35 ML & NBFR over Draw with 11 traffic lanes, handling approximately 209K vehicles per day. Built in 1960 and reconstructed in 1990, the structure spans 22.6 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 ML & NBFR 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 ML & NBFR was built in 1960 and reconstructed in 1990, making it 66 years old. The average bridge age in the United States is 48 years.
IH 35 ML & NBFR carries approximately 209K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 22.6 meters long and located on IH 35 ML & NBFR in 0.8 MI S Of Fm 620, Williamson County, Texas.
Yes, IH 35 ML & NBFR 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 ML & NBFR is located 0.8 MI S Of Fm 620 in Williamson County, Texas. The bridge carries IH 35 ML & NBFR over Draw. Its coordinates are 30.499047, -97.680872. It is maintained by State Highway Agency.
IH 35 ML & NBFR carries IH 35 ML & NBFR over Draw. The bridge is 22.6 meters long and was built in 1960, with reconstruction in 1990.
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.