BridgeSafety
Harris County, TX · Structure #121020050003002

IH 45

IH 45 in 3.5 MI N Of Ih 610, Harris County, Texas received a condition grade of C (53/100). Built in 1948, the bridge carries 191K vehicles daily on IH 45 over Roberts & Nettleton.

C
53/100
53
Condition Score
191K
Daily Traffic
1948
Year Built
292m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureFair
6/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 45
Crosses Over
Roberts & Nettleton
State
Texas
County
Harris County
Location
3.5 MI N Of Ih 610
Year Built
1948
Reconstructed
1985
Age
78 years
Daily Traffic
190,854
Lanes
9
Length
292 meters
Owner
State Highway Agency
Structure Number
121020050003002

About This Bridge

IH 45 is a 78-year-old bridge located 3.5 MI N Of Ih 610 in Harris County, Texas. The bridge carries IH 45 over Roberts & Nettleton with 9 traffic lanes, handling approximately 191K vehicles per day. Built in 1948 and reconstructed in 1985, the structure spans 292 meters.

The bridge received a Condition Grade of C (53/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

3.5 MI N Of Ih 610, Harris County, Texas

29.738422, -95.351864

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Frequently Asked Questions

IH 45 has a Condition Score of 53/100 (Grade C). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

IH 45 was built in 1948 and reconstructed in 1985, making it 78 years old. The average bridge age in the United States is 48 years.

IH 45 carries approximately 191K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 292 meters long and located on IH 45 in 3.5 MI N Of Ih 610, Harris County, Texas.

No, IH 45 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

IH 45 is located 3.5 MI N Of Ih 610 in Harris County, Texas. The bridge carries IH 45 over Roberts & Nettleton. Its coordinates are 29.738422, -95.351864. It is maintained by State Highway Agency.

IH 45 carries IH 45 over Roberts & Nettleton. The bridge is 292 meters long and was built in 1948, with reconstruction in 1985.

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.