IH 45 NBML
IH 45 NBML in At Harris C/L, Montgomery County, Texas received a condition grade of B (74/100). Built in 1990, the bridge carries 244K vehicles daily on IH 45 NBML over Spring CR.
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 NBML is a 36-year-old bridge located At Harris C/L in Montgomery County, Texas. The bridge carries IH 45 NBML over Spring CR with 7 traffic lanes, handling approximately 244K vehicles per day. Built in 1990, the structure spans 254.5 meters.
The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 45 NBML has a Condition Score of 74/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
IH 45 NBML was built in 1990, making it 36 years old. The average bridge age in the United States is 48 years.
IH 45 NBML carries approximately 244K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 254.5 meters long and located on IH 45 NBML in At Harris C/L, Montgomery County, Texas.
No, IH 45 NBML 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 NBML is located At Harris C/L in Montgomery County, Texas. The bridge carries IH 45 NBML over Spring CR. Its coordinates are 30.111231, -95.436500. It is maintained by State Highway Agency.
IH 45 NBML carries IH 45 NBML over Spring CR. The bridge is 254.5 meters long and was built in 1990.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.