I40 WBL
I40 WBL in 0.4 MI.E.Sr1655, Wake County, North Carolina received a condition grade of A (85/100). Built in 1981, the bridge carries 133K vehicles daily on I40 WBL over Sr1728.
I40 WBL 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 1981, making it 45 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I40 WBL carries an average daily traffic count of 133,000 vehicles, with 3 lane(s) crossing Sr1728. 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
I40 WBL is a 45-year-old bridge located 0.4 MI.E.Sr1655 in Wake County, North Carolina. The bridge carries I40 WBL over Sr1728 with 3 traffic lanes, handling approximately 133K vehicles per day. Built in 1981 and reconstructed in 2011, the structure spans 80.7 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
I40 WBL 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.
I40 WBL was built in 1981 and reconstructed in 2011, making it 45 years old. The average bridge age in the United States is 48 years.
I40 WBL carries approximately 133K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 80.7 meters long and located on I40 WBL in 0.4 MI.E.Sr1655, Wake County, North Carolina.
No, I40 WBL is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I40 WBL is located 0.4 MI.E.Sr1655 in Wake County, North Carolina. The bridge carries I40 WBL over Sr1728. Its coordinates are 35.815475, -78.738164. It is maintained by State Highway Agency.
I40 WBL carries I40 WBL over Sr1728. The bridge is 80.7 meters long and was built in 1981, with reconstruction in 2011.
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.