BridgeSafety
Harris County, TX · Structure #121020325601135

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.

A
81/100
81
Condition Score
143K
Daily Traffic
1986
Year Built
50.3m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
BW 8 NBML
Crosses Over
Brays Bayou
State
Texas
County
Harris County
Location
2.4 MI N Of US 59
Year Built
1986
Reconstructed
2004
Age
40 years
Daily Traffic
142,789
Lanes
4
Length
50.3 meters
Owner
Local Toll Authority
Structure Number
121020325601135

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

2.4 MI N Of US 59, Harris County, Texas

29.695281, -95.556956

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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.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.