IH 610 WEST-SOUTH
IH 610 WEST-SOUTH in Ih 610/US 290 Interchange, Harris County, Texas received a condition grade of A (81/100). Built in 2014, the bridge carries 150K vehicles daily on IH 610 WEST-SOUTH over US 290 & West 18th ST.
IH 610 WEST-SOUTH carries an A on the BridgeSafety Condition Score with 81/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2014 and is 12 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. IH 610 WEST-SOUTH carries an average daily traffic count of 150,189 vehicles, with 3 lane(s) crossing US 290 & West 18th ST. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
IH 610 WEST-SOUTH is a 12-year-old bridge located Ih 610/US 290 Interchange in Harris County, Texas. The bridge carries IH 610 WEST-SOUTH over US 290 & West 18th ST with 3 traffic lanes, handling approximately 150K vehicles per day. Built in 2014, the structure spans 729.7 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 610 WEST-SOUTH has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
IH 610 WEST-SOUTH was built in 2014, making it 12 years old. The average bridge age in the United States is 48 years.
IH 610 WEST-SOUTH carries approximately 150K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 729.7 meters long and located on IH 610 WEST-SOUTH in Ih 610/US 290 Interchange, Harris County, Texas.
No, IH 610 WEST-SOUTH 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 WEST-SOUTH is located Ih 610/US 290 Interchange in Harris County, Texas. The bridge carries IH 610 WEST-SOUTH over US 290 & West 18th ST. Its coordinates are 29.802519, -95.449422. It is maintained by State Highway Agency.
IH 610 WEST-SOUTH carries IH 610 WEST-SOUTH over US 290 & West 18th ST. The bridge is 729.7 meters long and was built in 2014.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.