BridgeSafety
Harris County, TX · Structure #121020050003093

IH 45

IH 45 in 0.20 MI N Of Ih 10, Harris County, Texas received a condition grade of F (0/100). Built in 1960, the bridge carries 179K vehicles daily on IH 45 over Little White Oak Byu. It is classified as structurally deficient.

F
0/100
0
Condition Score
179K
Daily Traffic
1960
Year Built
35.4m
Length

Component Ratings

DeckSerious
0/9

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

SuperstructureSerious
0/9

Beams, girders, and trusses that support the deck

SubstructureSerious
0/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 45
Crosses Over
Little White Oak Byu
State
Texas
County
Harris County
Location
0.20 MI N Of Ih 10
Year Built
1960
Age
66 years
Daily Traffic
179,357
Lanes
12
Length
35.4 meters
Owner
State Highway Agency
Structure Number
121020050003093

About This Bridge

IH 45 is a 66-year-old bridge located 0.20 MI N Of Ih 10 in Harris County, Texas. The bridge carries IH 45 over Little White Oak Byu with 12 traffic lanes, handling approximately 179K vehicles per day. Built in 1960, the structure spans 35.4 meters.

The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.

This bridge is owned and maintained by State Highway Agency.

Location Map

0.20 MI N Of Ih 10, Harris County, Texas

29.783525, -95.368636

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Frequently Asked Questions

IH 45 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.

IH 45 was built in 1960, making it 66 years old. The average bridge age in the United States is 48 years.

IH 45 carries approximately 179K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 35.4 meters long and located on IH 45 in 0.20 MI N Of Ih 10, Harris County, Texas.

Yes, IH 45 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.

IH 45 is located 0.20 MI N Of Ih 10 in Harris County, Texas. The bridge carries IH 45 over Little White Oak Byu. Its coordinates are 29.783525, -95.368636. It is maintained by State Highway Agency.

IH 45 carries IH 45 over Little White Oak Byu. The bridge is 35.4 meters long and was built in 1960.

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.