IH10 WB On-Rp 9-D
IH10 WB On-Rp 9-D in 6.1 MI W Of Sh 6, Harris County, Texas received a condition grade of A (81/100). Built in 2005, the bridge carries 122K vehicles daily on IH10 WB On-Rp 9-D over Mason Creek.
IH10 WB On-Rp 9-D 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 2005 and is 21 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. IH10 WB On-Rp 9-D carries an average daily traffic count of 122,000 vehicles, with 1 lane(s) crossing Mason Creek. 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
IH10 WB On-Rp 9-D is a 21-year-old bridge located 6.1 MI W Of Sh 6 in Harris County, Texas. The bridge carries IH10 WB On-Rp 9-D over Mason Creek with 1 traffic lane, handling approximately 122K vehicles per day. Built in 2005, the structure spans 58.5 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
IH10 WB On-Rp 9-D 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.
IH10 WB On-Rp 9-D was built in 2005, making it 21 years old. The average bridge age in the United States is 48 years.
IH10 WB On-Rp 9-D carries approximately 122K vehicles per day (average daily traffic). The bridge has 1 traffic lane. It is 58.5 meters long and located on IH10 WB On-Rp 9-D in 6.1 MI W Of Sh 6, Harris County, Texas.
No, IH10 WB On-Rp 9-D is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IH10 WB On-Rp 9-D is located 6.1 MI W Of Sh 6 in Harris County, Texas. The bridge carries IH10 WB On-Rp 9-D over Mason Creek. Its coordinates are 29.785597, -95.747178. It is maintained by State Highway Agency.
IH10 WB On-Rp 9-D carries IH10 WB On-Rp 9-D over Mason Creek. The bridge is 58.5 meters long and was built in 2005.
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.