BridgeSafety
Harris County, TX · Structure #121020027116339

IH 610

IH 610 in 0.9 MI E Of US 90 A, Harris County, Texas received a condition grade of B (67/100). Built in 1969, the bridge carries 145K vehicles daily on IH 610 over Kirby DR.

B
67/100
67
Condition Score
145K
Daily Traffic
1969
Year Built
78.9m
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 610
Crosses Over
Kirby DR
State
Texas
County
Harris County
Location
0.9 MI E Of US 90 A
Year Built
1969
Reconstructed
1992
Age
57 years
Daily Traffic
145,124
Lanes
12
Length
78.9 meters
Owner
State Highway Agency
Structure Number
121020027116339

About This Bridge

IH 610 is a 57-year-old bridge located 0.9 MI E Of US 90 A in Harris County, Texas. The bridge carries IH 610 over Kirby DR with 12 traffic lanes, handling approximately 145K vehicles per day. Built in 1969 and reconstructed in 1992, the structure spans 78.9 meters.

The bridge received a Condition Grade of B (67/100) 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

0.9 MI E Of US 90 A, Harris County, Texas

29.677964, -95.412231

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Frequently Asked Questions

IH 610 has a Condition Score of 67/100 (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 610 was built in 1969 and reconstructed in 1992, making it 57 years old. The average bridge age in the United States is 48 years.

IH 610 carries approximately 145K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 78.9 meters long and located on IH 610 in 0.9 MI E Of US 90 A, Harris County, Texas.

No, IH 610 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 610 is located 0.9 MI E Of US 90 A in Harris County, Texas. The bridge carries IH 610 over Kirby DR. Its coordinates are 29.677964, -95.412231. It is maintained by State Highway Agency.

IH 610 carries IH 610 over Kirby DR. The bridge is 78.9 meters long and was built in 1969, with reconstruction in 1992.

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.