BridgeSafety
DeKalb County, GA · Structure #000000008900630

I-85

I-85 in 4.2 MI SW Of Chamblee, DeKalb County, Georgia received a condition grade of B (78/100). Built in 1981, the bridge carries 216K vehicles daily on I-85 over M-9217 Access RD Turn.

I-85 carries a B on the BridgeSafety Condition Score with 78/100. 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 1981, making it 45 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 carries an average daily traffic count of 216,000 vehicles, with 12 lane(s) crossing M-9217 Access RD Turn. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
78/100
78
Condition Score
216K
Daily Traffic
1981
Year Built
58.8m
Length

Component Ratings

DeckGood
7/9

The riding surface, evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-85
Crosses Over
M-9217 Access RD Turn
State
Georgia
County
DeKalb County
Location
4.2 MI SW Of Chamblee
Year Built
1981
Age
45 years
Daily Traffic
216,000
Lanes
12
Length
58.8 meters
Owner
State Highway Agency
Structure Number
000000008900630

About This Bridge

I-85 is a 45-year-old bridge located 4.2 MI SW Of Chamblee in DeKalb County, Georgia. The bridge carries I-85 over M-9217 Access RD Turn with 12 traffic lanes, handling approximately 216K vehicles per day. Built in 1981, the structure spans 58.8 meters.

The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

4.2 MI SW Of Chamblee, DeKalb County, Georgia

33.835758, -84.327339

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Frequently Asked Questions

I-85 has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-85 was built in 1981, making it 45 years old. The average bridge age in the United States is 48 years.

I-85 carries approximately 216K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 58.8 meters long and located on I-85 in 4.2 MI SW Of Chamblee, DeKalb County, Georgia.

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 4.2 MI SW Of Chamblee in DeKalb County, Georgia. The bridge carries I-85 over M-9217 Access RD Turn. Its coordinates are 33.835758, -84.327339. It is maintained by State Highway Agency.

I-85 carries I-85 over M-9217 Access RD Turn. The bridge is 58.8 meters long and was built in 1981.

Last updated:

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.