I85
I85 in 0.75 MI. N. JCT. Nc273, Gaston County, North Carolina received a condition grade of B (61/100). Built in 1958, the bridge carries 127K vehicles daily on I85 over Catawba River.
I85 carries a B on the BridgeSafety Condition Score with 61/100. 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 1958 and is now 68 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. I85 carries an average daily traffic count of 127,000 vehicles, with 8 lane(s) crossing Catawba River. 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
I85 is a 68-year-old bridge located 0.75 MI. N. JCT. Nc273 in Gaston County, North Carolina. The bridge carries I85 over Catawba River with 8 traffic lanes, handling approximately 127K vehicles per day. Built in 1958 and reconstructed in 1988, the structure spans 327 meters.
The bridge received a Condition Grade of B (61/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I85 has a Condition Score of 61/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I85 was built in 1958 and reconstructed in 1988, making it 68 years old. The average bridge age in the United States is 48 years.
I85 carries approximately 127K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 327 meters long and located on I85 in 0.75 MI. N. JCT. Nc273, Gaston County, North Carolina.
No, I85 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I85 is located 0.75 MI. N. JCT. Nc273 in Gaston County, North Carolina. The bridge carries I85 over Catawba River. Its coordinates are 35.257675, -81.013819. It is maintained by State Highway Agency.
I85 carries I85 over Catawba River. The bridge is 327 meters long and was built in 1958, with reconstruction in 1988.
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.