I-240WB 663405H
I-240WB 663405H in 0.39 MI W Of SR-4 JCT., Shelby County, Tennessee received a condition grade of B (60/100). Built in 1963, the bridge carries 148K vehicles daily on I-240WB 663405H over I-240 WB. / Bnsf Rwy..
I-240WB 663405H carries a B on the BridgeSafety Condition Score with 60/100. 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 1963 and is now 63 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. I-240WB 663405H carries an average daily traffic count of 148,274 vehicles, with 2 lane(s) crossing I-240 WB. / Bnsf Rwy.. 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
I-240WB 663405H is a 63-year-old bridge located 0.39 MI W Of SR-4 JCT. in Shelby County, Tennessee. The bridge carries I-240WB 663405H over I-240 WB. / Bnsf Rwy. with 2 traffic lanes, handling approximately 148K vehicles per day. Built in 1963 and reconstructed in 1983, the structure spans 44.5 meters.
The bridge received a Condition Grade of B (60/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-240WB 663405H has a Condition Score of 60/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-240WB 663405H was built in 1963 and reconstructed in 1983, making it 63 years old. The average bridge age in the United States is 48 years.
I-240WB 663405H carries approximately 148K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 44.5 meters long and located on I-240WB 663405H in 0.39 MI W Of SR-4 JCT., Shelby County, Tennessee.
No, I-240WB 663405H is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-240WB 663405H is located 0.39 MI W Of SR-4 JCT. in Shelby County, Tennessee. The bridge carries I-240WB 663405H over I-240 WB. / Bnsf Rwy.. Its coordinates are 35.078194, -89.962197. It is maintained by State Highway Agency.
I-240WB 663405H carries I-240WB 663405H over I-240 WB. / Bnsf Rwy.. The bridge is 44.5 meters long and was built in 1963, with reconstruction in 1983.
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.