BW 8 NB
BW 8 NB in 1.6 MI S Of Ih 10, Harris County, Texas received a condition grade of B (74/100). Built in 1987, the bridge carries 167K vehicles daily on BW 8 NB over Buffalo Bayou & Bw 8 Fr.
BW 8 NB carries a B on the BridgeSafety Condition Score with 74/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1987, making it 39 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 NB carries an average daily traffic count of 166,838 vehicles, with 5 lane(s) crossing Buffalo Bayou & Bw 8 Fr. 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 NB is a 39-year-old bridge located 1.6 MI S Of Ih 10 in Harris County, Texas. The bridge carries BW 8 NB over Buffalo Bayou & Bw 8 Fr with 5 traffic lanes, handling approximately 167K vehicles per day. Built in 1987 and reconstructed in 2008, the structure spans 315.5 meters.
The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by Local Toll Authority.
Location Map
Frequently Asked Questions
BW 8 NB has a Condition Score of 74/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
BW 8 NB was built in 1987 and reconstructed in 2008, making it 39 years old. The average bridge age in the United States is 48 years.
BW 8 NB carries approximately 167K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 315.5 meters long and located on BW 8 NB in 1.6 MI S Of Ih 10, Harris County, Texas.
No, BW 8 NB 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 NB is located 1.6 MI S Of Ih 10 in Harris County, Texas. The bridge carries BW 8 NB over Buffalo Bayou & Bw 8 Fr. Its coordinates are 29.761536, -95.557956. It is maintained by Local Toll Authority.
BW 8 NB carries BW 8 NB over Buffalo Bayou & Bw 8 Fr. The bridge is 315.5 meters long and was built in 1987, with reconstruction in 2008.
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.