US 59 SB
US 59 SB in 1.00 MI W Of Ih 610 W, Harris County, Texas received a condition grade of B (63/100). Built in 1993, the bridge carries 147K vehicles daily on US 59 SB 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 SB is a 33-year-old bridge located 1.00 MI W Of Ih 610 W in Harris County, Texas. The bridge carries US 59 SB over Chimney Rock RD with 6 traffic lanes, handling approximately 147K vehicles per day. Built in 1993, the structure spans 80.8 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
US 59 SB has a Condition Score of 63/100 (Grade B). Its deck is rated 5/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
US 59 SB was built in 1993, making it 33 years old. The average bridge age in the United States is 48 years.
US 59 SB carries approximately 147K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 80.8 meters long and located on US 59 SB in 1.00 MI W Of Ih 610 W, Harris County, Texas.
No, US 59 SB 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 SB is located 1.00 MI W Of Ih 610 W in Harris County, Texas. The bridge carries US 59 SB over Chimney Rock RD. Its coordinates are 29.725903, -95.476453. It is maintained by State Highway Agency.
US 59 SB carries US 59 SB over Chimney Rock RD. The bridge is 80.8 meters long and was built in 1993.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.