I-285
I-285 in 2 MI N Of Chamblee, DeKalb County, Georgia received a condition grade of F (0/100). Built in 1961, the bridge carries 225K vehicles daily on I-285 over Nancy Creek. It is classified as structurally deficient.
I-285 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 1961 and is now 65 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-285 carries an average daily traffic count of 225,000 vehicles, with 12 lane(s) crossing Nancy 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-285 is a 65-year-old bridge located 2 MI N Of Chamblee in DeKalb County, Georgia. The bridge carries I-285 over Nancy Creek with 12 traffic lanes, handling approximately 225K vehicles per day. Built in 1961 and reconstructed in 1975, the structure spans 11.9 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-285 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-285 was built in 1961 and reconstructed in 1975, making it 65 years old. The average bridge age in the United States is 48 years.
I-285 carries approximately 225K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 11.9 meters long and located on I-285 in 2 MI N Of Chamblee, DeKalb County, Georgia.
Yes, I-285 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-285 is located 2 MI N Of Chamblee in DeKalb County, Georgia. The bridge carries I-285 over Nancy Creek. Its coordinates are 33.919350, -84.294639. It is maintained by State Highway Agency.
I-285 carries I-285 over Nancy Creek. The bridge is 11.9 meters long and was built in 1961, with reconstruction in 1975.
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.