US 59 NBML
US 59 NBML in 1.00 MI W Of Ih 610 W, Harris County, Texas received a condition grade of B (70/100). Built in 1993, the bridge carries 147K vehicles daily on US 59 NBML over Chimney Rock RD.
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 NBML is a 33-year-old bridge located 1.00 MI W Of Ih 610 W in Harris County, Texas. The bridge carries US 59 NBML over Chimney Rock RD with 8 traffic lanes, handling approximately 147K vehicles per day. Built in 1993 and reconstructed in 2013, the structure spans 80.8 meters.
The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
US 59 NBML has a Condition Score of 70/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
US 59 NBML was built in 1993 and reconstructed in 2013, making it 33 years old. The average bridge age in the United States is 48 years.
US 59 NBML carries approximately 147K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 80.8 meters long and located on US 59 NBML in 1.00 MI W Of Ih 610 W, Harris County, Texas.
No, US 59 NBML is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
US 59 NBML is located 1.00 MI W Of Ih 610 W in Harris County, Texas. The bridge carries US 59 NBML over Chimney Rock RD. Its coordinates are 29.725692, -95.476444. It is maintained by State Highway Agency.
US 59 NBML carries US 59 NBML over Chimney Rock RD. The bridge is 80.8 meters long and was built in 1993, with reconstruction in 2013.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.