US 290
US 290 in 1.1 MI NW Of Ih 610, Harris County, Texas received a condition grade of B (78/100). Built in 2017, the bridge carries 216K vehicles daily on US 290 over Mangum RD.
US 290 carries a B on the BridgeSafety Condition Score with 78/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 2017 and is 9 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. US 290 carries an average daily traffic count of 215,865 vehicles, with 10 lane(s) crossing Mangum RD. 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
US 290 is a 9-year-old bridge located 1.1 MI NW Of Ih 610 in Harris County, Texas. The bridge carries US 290 over Mangum RD with 10 traffic lanes, handling approximately 216K vehicles per day. Built in 2017, the structure spans 155.1 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
US 290 has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
US 290 was built in 2017, making it 9 years old. The average bridge age in the United States is 48 years.
US 290 carries approximately 216K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 155.1 meters long and located on US 290 in 1.1 MI NW Of Ih 610, Harris County, Texas.
No, US 290 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
US 290 is located 1.1 MI NW Of Ih 610 in Harris County, Texas. The bridge carries US 290 over Mangum RD. Its coordinates are 29.810578, -95.458936. It is maintained by State Highway Agency.
US 290 carries US 290 over Mangum RD. The bridge is 155.1 meters long and was built in 2017.
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.