BridgeSafety
DeKalb County, GA · Structure #000000008901020

I-285

I-285 in 9.5 MI S Of Decatur, DeKalb County, Georgia received a condition grade of B (73/100). Built in 1966, the bridge carries 152K vehicles daily on I-285 over South River.

B
73/100
73
Condition Score
152K
Daily Traffic
1966
Year Built
59.4m
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-285
Crosses Over
South River
State
Georgia
County
DeKalb County
Location
9.5 MI S Of Decatur
Year Built
1966
Reconstructed
1984
Age
60 years
Daily Traffic
152,000
Lanes
10
Length
59.4 meters
Owner
State Highway Agency
Structure Number
000000008901020

About This Bridge

I-285 is a 60-year-old bridge located 9.5 MI S Of Decatur in DeKalb County, Georgia. The bridge carries I-285 over South River with 10 traffic lanes, handling approximately 152K vehicles per day. Built in 1966 and reconstructed in 1984, the structure spans 59.4 meters.

The bridge received a Condition Grade of B (73/100) 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

9.5 MI S Of Decatur, DeKalb County, Georgia

33.680314, -84.314942

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Frequently Asked Questions

I-285 has a Condition Score of 73/100 (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-285 was built in 1966 and reconstructed in 1984, making it 60 years old. The average bridge age in the United States is 48 years.

I-285 carries approximately 152K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 59.4 meters long and located on I-285 in 9.5 MI S Of Decatur, DeKalb County, Georgia.

No, I-285 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-285 is located 9.5 MI S Of Decatur in DeKalb County, Georgia. The bridge carries I-285 over South River. Its coordinates are 33.680314, -84.314942. It is maintained by State Highway Agency.

I-285 carries I-285 over South River. The bridge is 59.4 meters long and was built in 1966, with reconstruction in 1984.

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.