I40 WBL
I40 WBL in 2.8 M. W. JCT. Sr1728, Wake County, North Carolina received a condition grade of B (71/100). Built in 1969, the bridge carries 133K vehicles daily on I40 WBL over Crabtree Creek.
I40 WBL carries a B on the BridgeSafety Condition Score with 71/100. 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 1969 and is now 57 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I40 WBL carries an average daily traffic count of 133,000 vehicles, with 4 lane(s) crossing Crabtree 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
I40 WBL is a 57-year-old bridge located 2.8 M. W. JCT. Sr1728 in Wake County, North Carolina. The bridge carries I40 WBL over Crabtree Creek with 4 traffic lanes, handling approximately 133K vehicles per day. Built in 1969, the structure spans 69.4 meters.
The bridge received a Condition Grade of B (71/100) 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
I40 WBL has a Condition Score of 71/100 (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.
I40 WBL was built in 1969, making it 57 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 4 traffic lanes. It is 69.4 meters long and located on I40 WBL in 2.8 M. W. JCT. Sr1728, 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 2.8 M. W. JCT. Sr1728 in Wake County, North Carolina. The bridge carries I40 WBL over Crabtree Creek. Its coordinates are 35.839556, -78.779953. It is maintained by State Highway Agency.
I40 WBL carries I40 WBL over Crabtree Creek. The bridge is 69.4 meters long and was built in 1969.
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.