US 59
US 59 in 0.30 MI S Of Ih 610 N Lp, Harris County, Texas received a condition grade of F (0/100). Built in 1954, the bridge carries 158K vehicles daily on US 59 over Hunting Byu. 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
US 59 is a 72-year-old bridge located 0.30 MI S Of Ih 610 N Lp in Harris County, Texas. The bridge carries US 59 over Hunting Byu with 10 traffic lanes, handling approximately 158K vehicles per day. Built in 1954 and reconstructed in 1977, the structure spans 13.7 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
US 59 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.
US 59 was built in 1954 and reconstructed in 1977, making it 72 years old. The average bridge age in the United States is 48 years.
US 59 carries approximately 158K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 13.7 meters long and located on US 59 in 0.30 MI S Of Ih 610 N Lp, Harris County, Texas.
Yes, US 59 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.
US 59 is located 0.30 MI S Of Ih 610 N Lp in Harris County, Texas. The bridge carries US 59 over Hunting Byu. Its coordinates are 29.806311, -95.337703. It is maintained by State Highway Agency.
US 59 carries US 59 over Hunting Byu. The bridge is 13.7 meters long and was built in 1954, with reconstruction in 1977.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.