BridgeSafety
Harris County, TX · Structure #121020050003223

IH 45 NB

IH 45 NB in Ih 610 @ Ih 45 (Interchg), Harris County, Texas received a condition grade of C (51/100). Built in 1952, the bridge carries 208K vehicles daily on IH 45 NB over Conn Ih45 SB To Ih610 EB.

C
51/100
51
Condition Score
208K
Daily Traffic
1952
Year Built
50.3m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureFair
5/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IH 45 NB
Crosses Over
Conn Ih45 SB To Ih610 EB
State
Texas
County
Harris County
Location
Ih 610 @ Ih 45 (Interchg)
Year Built
1952
Reconstructed
1981
Age
74 years
Daily Traffic
208,346
Lanes
3
Length
50.3 meters
Owner
State Highway Agency
Structure Number
121020050003223

About This Bridge

IH 45 NB is a 74-year-old bridge located Ih 610 @ Ih 45 (Interchg) in Harris County, Texas. The bridge carries IH 45 NB over Conn Ih45 SB To Ih610 EB with 3 traffic lanes, handling approximately 208K vehicles per day. Built in 1952 and reconstructed in 1981, the structure spans 50.3 meters.

The bridge received a Condition Grade of C (51/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

Ih 610 @ Ih 45 (Interchg), Harris County, Texas

29.696542, -95.287642

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Frequently Asked Questions

IH 45 NB has a Condition Score of 51/100 (Grade C). Its deck is rated 6/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

IH 45 NB was built in 1952 and reconstructed in 1981, making it 74 years old. The average bridge age in the United States is 48 years.

IH 45 NB carries approximately 208K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 50.3 meters long and located on IH 45 NB in Ih 610 @ Ih 45 (Interchg), Harris County, Texas.

No, IH 45 NB 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 NB is located Ih 610 @ Ih 45 (Interchg) in Harris County, Texas. The bridge carries IH 45 NB over Conn Ih45 SB To Ih610 EB. Its coordinates are 29.696542, -95.287642. It is maintained by State Highway Agency.

IH 45 NB carries IH 45 NB over Conn Ih45 SB To Ih610 EB. The bridge is 50.3 meters long and was built in 1952, with reconstruction in 1981.

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.