IH 45 NB
IH 45 NB in 0.1 MI N. Of Ih 10, Harris County, Texas received a condition grade of A (85/100). Built in 2016, the bridge carries 126K vehicles daily on IH 45 NB over White Oak Bayou.
IH 45 NB carries an A on the BridgeSafety Condition Score with 85/100. 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 2016 and is 10 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 45 NB carries an average daily traffic count of 125,804 vehicles, with 3 lane(s) crossing White Oak Bayou. 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 45 NB is a 10-year-old bridge located 0.1 MI N. Of Ih 10 in Harris County, Texas. The bridge carries IH 45 NB over White Oak Bayou with 3 traffic lanes, handling approximately 126K vehicles per day. Built in 2016, the structure spans 491.9 meters.
The bridge received a Condition Grade of A (85/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 45 NB has a Condition Score of 85/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
IH 45 NB was built in 2016, making it 10 years old. The average bridge age in the United States is 48 years.
IH 45 NB carries approximately 126K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 491.9 meters long and located on IH 45 NB in 0.1 MI N. Of Ih 10, Harris County, Texas.
No, IH 45 NB 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 45 NB is located 0.1 MI N. Of Ih 10 in Harris County, Texas. The bridge carries IH 45 NB over White Oak Bayou. Its coordinates are 29.771636, -95.365169. It is maintained by State Highway Agency.
IH 45 NB carries IH 45 NB over White Oak Bayou. The bridge is 491.9 meters long and was built in 2016.
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.