CONN D IH 10 TO 59
CONN D IH 10 TO 59 in Us59/Ih10 Interchange, Harris County, Texas received a condition grade of B (70/100). Built in 2002, the bridge carries 160K vehicles daily on CONN D IH 10 TO 59 over Buff Bayou RR Jensn H10.
CONN D IH 10 TO 59 carries a B on the BridgeSafety Condition Score with 70/100. 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 2002 and is 24 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. CONN D IH 10 TO 59 carries an average daily traffic count of 160,180 vehicles, with 2 lane(s) crossing Buff Bayou RR Jensn H10. 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
CONN D IH 10 TO 59 is a 24-year-old bridge located Us59/Ih10 Interchange in Harris County, Texas. The bridge carries CONN D IH 10 TO 59 over Buff Bayou RR Jensn H10 with 2 traffic lanes, handling approximately 160K vehicles per day. Built in 2002, the structure spans 1369.5 meters.
The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
CONN D IH 10 TO 59 has a Condition Score of 70/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
CONN D IH 10 TO 59 was built in 2002, making it 24 years old. The average bridge age in the United States is 48 years.
CONN D IH 10 TO 59 carries approximately 160K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 1369.5 meters long and located on CONN D IH 10 TO 59 in Us59/Ih10 Interchange, Harris County, Texas.
No, CONN D IH 10 TO 59 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
CONN D IH 10 TO 59 is located Us59/Ih10 Interchange in Harris County, Texas. The bridge carries CONN D IH 10 TO 59 over Buff Bayou RR Jensn H10. Its coordinates are 29.763492, -95.350039. It is maintained by State Highway Agency.
CONN D IH 10 TO 59 carries CONN D IH 10 TO 59 over Buff Bayou RR Jensn H10. The bridge is 1369.5 meters long and was built in 2002.
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.