BW 8 SBML
BW 8 SBML in 1.7 MI N Of US 59, Harris County, Texas received a condition grade of B (78/100). Built in 1986, the bridge carries 143K vehicles daily on BW 8 SBML over Hcfcd Ditch.
BW 8 SBML carries a B on the BridgeSafety Condition Score with 78/100. 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 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 SBML carries an average daily traffic count of 142,789 vehicles, with 4 lane(s) crossing Hcfcd Ditch. 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 SBML is a 40-year-old bridge located 1.7 MI N Of US 59 in Harris County, Texas. The bridge carries BW 8 SBML over Hcfcd Ditch with 4 traffic lanes, handling approximately 143K vehicles per day. Built in 1986 and reconstructed in 2004, the structure spans 29.3 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by Local Toll Authority.
Location Map
Frequently Asked Questions
BW 8 SBML has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
BW 8 SBML 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 SBML carries approximately 143K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 29.3 meters long and located on BW 8 SBML in 1.7 MI N Of US 59, Harris County, Texas.
No, BW 8 SBML 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 SBML is located 1.7 MI N Of US 59 in Harris County, Texas. The bridge carries BW 8 SBML over Hcfcd Ditch. Its coordinates are 29.684711, -95.558461. It is maintained by Local Toll Authority.
BW 8 SBML carries BW 8 SBML over Hcfcd Ditch. The bridge is 29.3 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.