BridgeSafety
Montgomery County, TX · Structure #121700011004135

IH 45 SB

IH 45 SB in 2.1 MI S Of Fm 1488, Montgomery County, Texas received a condition grade of B (70/100). Built in 1991, the bridge carries 171K vehicles daily on IH 45 SB over Sh 242.

B
70/100
70
Condition Score
171K
Daily Traffic
1991
Year Built
106.7m
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

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 45 SB
Crosses Over
Sh 242
State
Texas
County
Montgomery County
Location
2.1 MI S Of Fm 1488
Year Built
1991
Age
35 years
Daily Traffic
170,688
Lanes
4
Length
106.7 meters
Owner
State Highway Agency
Structure Number
121700011004135

About This Bridge

IH 45 SB is a 35-year-old bridge located 2.1 MI S Of Fm 1488 in Montgomery County, Texas. The bridge carries IH 45 SB over Sh 242 with 4 traffic lanes, handling approximately 171K vehicles per day. Built in 1991, the structure spans 106.7 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

2.1 MI S Of Fm 1488, Montgomery County, Texas

30.207383, -95.456356

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Frequently Asked Questions

IH 45 SB has a Condition Score of 70/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

IH 45 SB was built in 1991, making it 35 years old. The average bridge age in the United States is 48 years.

IH 45 SB carries approximately 171K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 106.7 meters long and located on IH 45 SB in 2.1 MI S Of Fm 1488, Montgomery 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 2.1 MI S Of Fm 1488 in Montgomery County, Texas. The bridge carries IH 45 SB over Sh 242. Its coordinates are 30.207383, -95.456356. It is maintained by State Highway Agency.

IH 45 SB carries IH 45 SB over Sh 242. The bridge is 106.7 meters long and was built in 1991.

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.