I-85 NB & SB NBCD
I-85 NB & SB NBCD in 2 MI East Of Duluth, Gwinnett County, Georgia received a condition grade of F (0/100). Built in 1990, the bridge carries 170K vehicles daily on I-85 NB & SB NBCD over Fork Creek. It is classified as structurally deficient.
I-85 NB & SB NBCD carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1990, making it 36 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. I-85 NB & SB NBCD carries an average daily traffic count of 170,000 vehicles, with 19 lane(s) crossing Fork 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
I-85 NB & SB NBCD is a 36-year-old bridge located 2 MI East Of Duluth in Gwinnett County, Georgia. The bridge carries I-85 NB & SB NBCD over Fork Creek with 19 traffic lanes, handling approximately 170K vehicles per day. Built in 1990 and reconstructed in 2008, the structure spans 7 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-85 NB & SB NBCD has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
I-85 NB & SB NBCD was built in 1990 and reconstructed in 2008, making it 36 years old. The average bridge age in the United States is 48 years.
I-85 NB & SB NBCD carries approximately 170K vehicles per day (average daily traffic). The bridge has 19 traffic lanes. It is 7 meters long and located on I-85 NB & SB NBCD in 2 MI East Of Duluth, Gwinnett County, Georgia.
Yes, I-85 NB & SB NBCD is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
I-85 NB & SB NBCD is located 2 MI East Of Duluth in Gwinnett County, Georgia. The bridge carries I-85 NB & SB NBCD over Fork Creek. Its coordinates are 33.969453, -84.093972. It is maintained by State Highway Agency.
I-85 NB & SB NBCD carries I-85 NB & SB NBCD over Fork Creek. The bridge is 7 meters long and was built in 1990, with reconstruction in 2008.
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.