BW 8 NBML
BW 8 NBML in 2.4 MI N Of US 59, Harris County, Texas received a condition grade of A (81/100). Built in 1986, the bridge carries 143K vehicles daily on BW 8 NBML over Brays Bayou.
BW 8 NBML carries an A on the BridgeSafety Condition Score with 81/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 1986, making it 40 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. BW 8 NBML carries an average daily traffic count of 142,789 vehicles, with 4 lane(s) crossing Brays Bayou. The owning agency is Local Toll Authority; 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
BW 8 NBML is a 40-year-old bridge located 2.4 MI N Of US 59 in Harris County, Texas. The bridge carries BW 8 NBML over Brays Bayou with 4 traffic lanes, handling approximately 143K vehicles per day. Built in 1986 and reconstructed in 2004, the structure spans 50.3 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by Local Toll Authority.
Location Map
Frequently Asked Questions
BW 8 NBML has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
BW 8 NBML was built in 1986 and reconstructed in 2004, making it 40 years old. The average bridge age in the United States is 48 years.
BW 8 NBML carries approximately 143K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 50.3 meters long and located on BW 8 NBML in 2.4 MI N Of US 59, Harris County, Texas.
No, BW 8 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.
BW 8 NBML is located 2.4 MI N Of US 59 in Harris County, Texas. The bridge carries BW 8 NBML over Brays Bayou. Its coordinates are 29.695281, -95.556956. It is maintained by Local Toll Authority.
BW 8 NBML carries BW 8 NBML over Brays Bayou. The bridge is 50.3 meters long and was built in 1986, with reconstruction in 2004.
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.