I-85
I-85 in 7.0 MI E Of Greenville, Greenville County, South Carolina received a condition grade of B (66/100). Built in 1960, the bridge carries 141K vehicles daily on I-85 over Muddy Ford RD (S-580).
I-85 carries a B on the BridgeSafety Condition Score with 66/100. 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 1960 and is now 66 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-85 carries an average daily traffic count of 140,900 vehicles, with 8 lane(s) crossing Muddy Ford RD (S-580). 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-85 is a 66-year-old bridge located 7.0 MI E Of Greenville in Greenville County, South Carolina. The bridge carries I-85 over Muddy Ford RD (S-580) with 8 traffic lanes, handling approximately 141K vehicles per day. Built in 1960 and reconstructed in 1986, the structure spans 7.6 meters.
The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-85 has a Condition Score of 66/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-85 was built in 1960 and reconstructed in 1986, making it 66 years old. The average bridge age in the United States is 48 years.
I-85 carries approximately 141K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 7.6 meters long and located on I-85 in 7.0 MI E Of Greenville, Greenville County, South Carolina.
No, I-85 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-85 is located 7.0 MI E Of Greenville in Greenville County, South Carolina. The bridge carries I-85 over Muddy Ford RD (S-580). Its coordinates are 34.850106, -82.278572. It is maintained by State Highway Agency.
I-85 carries I-85 over Muddy Ford RD (S-580). The bridge is 7.6 meters long and was built in 1960, with reconstruction in 1986.
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.