BridgeSafety
DeKalb County, GA · Structure #000000008902580

I-285

I-285 in 5.8 MI SE Of Decatur, DeKalb County, Georgia received a condition grade of A (81/100). Built in 1983, the bridge carries 144K vehicles daily on I-285 over I-20 Ramp.

I-285 carries an A on the BridgeSafety Condition Score with 81/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.

The bridge was built in 1983, making it 43 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-285 carries an average daily traffic count of 144,000 vehicles, with 6 lane(s) crossing I-20 Ramp. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

A
81/100
81
Condition Score
144K
Daily Traffic
1983
Year Built
25.6m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureGood
8/9

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
I-20 Ramp
State
Georgia
County
DeKalb County
Location
5.8 MI SE Of Decatur
Year Built
1983
Age
43 years
Daily Traffic
144,000
Lanes
6
Length
25.6 meters
Owner
State Highway Agency
Structure Number
000000008902580

About This Bridge

I-285 is a 43-year-old bridge located 5.8 MI SE Of Decatur in DeKalb County, Georgia. The bridge carries I-285 over I-20 Ramp with 6 traffic lanes, handling approximately 144K vehicles per day. Built in 1983, the structure spans 25.6 meters.

The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

5.8 MI SE Of Decatur, DeKalb County, Georgia

33.713561, -84.242247

Open in Google Maps →

Frequently Asked Questions

I-285 has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-285 was built in 1983, making it 43 years old. The average bridge age in the United States is 48 years.

I-285 carries approximately 144K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 25.6 meters long and located on I-285 in 5.8 MI SE 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 5.8 MI SE Of Decatur in DeKalb County, Georgia. The bridge carries I-285 over I-20 Ramp. Its coordinates are 33.713561, -84.242247. It is maintained by State Highway Agency.

I-285 carries I-285 over I-20 Ramp. The bridge is 25.6 meters long and was built in 1983.

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.