BridgeSafety
Harris County, TX · Structure #121020011006108

IH 45 SB

IH 45 SB in 2.0 MI N Of Spur 261, Harris County, Texas received a condition grade of B (74/100). Built in 1989, the bridge carries 126K vehicles daily on IH 45 SB over Sh 249.

B
74/100
74
Condition Score
126K
Daily Traffic
1989
Year Built
82.3m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 45 SB
Crosses Over
Sh 249
State
Texas
County
Harris County
Location
2.0 MI N Of Spur 261
Year Built
1989
Age
37 years
Daily Traffic
126,410
Lanes
5
Length
82.3 meters
Owner
State Highway Agency
Structure Number
121020011006108

About This Bridge

IH 45 SB is a 37-year-old bridge located 2.0 MI N Of Spur 261 in Harris County, Texas. The bridge carries IH 45 SB over Sh 249 with 5 traffic lanes, handling approximately 126K vehicles per day. Built in 1989, the structure spans 82.3 meters.

The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

2.0 MI N Of Spur 261, Harris County, Texas

29.898239, -95.412400

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Frequently Asked Questions

IH 45 SB has a Condition Score of 74/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

IH 45 SB was built in 1989, making it 37 years old. The average bridge age in the United States is 48 years.

IH 45 SB carries approximately 126K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 82.3 meters long and located on IH 45 SB in 2.0 MI N Of Spur 261, Harris County, Texas.

No, IH 45 SB 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 SB is located 2.0 MI N Of Spur 261 in Harris County, Texas. The bridge carries IH 45 SB over Sh 249. Its coordinates are 29.898239, -95.412400. It is maintained by State Highway Agency.

IH 45 SB carries IH 45 SB over Sh 249. The bridge is 82.3 meters long and was built in 1989.

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.