IH 635
IH 635 in 1.5 MI SE Of Skillman ST, Dallas County, Texas received a condition grade of F (0/100). Built in 1967, the bridge carries 177K vehicles daily on IH 635 over Dixon Branch. It is classified as structurally deficient.
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 635 is a 59-year-old bridge located 1.5 MI SE Of Skillman ST in Dallas County, Texas. The bridge carries IH 635 over Dixon Branch with 9 traffic lanes, handling approximately 177K vehicles per day. Built in 1967, the structure spans 7.9 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 635 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 635 was built in 1967, making it 59 years old. The average bridge age in the United States is 48 years.
IH 635 carries approximately 177K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 7.9 meters long and located on IH 635 in 1.5 MI SE Of Skillman ST, Dallas County, Texas.
Yes, IH 635 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 635 is located 1.5 MI SE Of Skillman ST in Dallas County, Texas. The bridge carries IH 635 over Dixon Branch. Its coordinates are 32.884503, -96.698069. It is maintained by State Highway Agency.
IH 635 carries IH 635 over Dixon Branch. The bridge is 7.9 meters long and was built in 1967.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.