US Bridges

Ashford-Dunwoody R over I-285- I-285 Ramp

Fair

DeKalb County, Georgia · 2.8 MI NW of Chamblee · Structure no. 000000008901410

Built
1961
64 years old, rebuilt 1982
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
244 ft
4 main spans
Daily traffic
52,100
2024 count
Owner
State
State Highway Agency

About this bridge

Ashford-Dunwoody R over I-285- I-285 Ramp is a steel continuous stringer/multi-beam or girder carrying Ashford-Dunwoody R over I-285- I-285 Ramp in DeKalb County, Georgia. It was built in 1961 and reconstructed in 1982, so it is 64 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 52,100 vehicles a day, roughly 1% of them trucks, projected to reach 78,435 by 2031. The structure is 244 ft (74.4 m) long and 102 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAshford-Dunwoody R
CrossesI-285- I-285 Ramp
Location2.8 MI NW of Chamblee
RouteCity Street 9014
StateGeorgia
Coordinates33.91803, -84.33824
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating35.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length244 ft (74.4 m)
Longest span70 ft (21.3 m)
Deck width102 ft (31.2 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,100 (2024)
Projected traffic78,435 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ashford-Dunwoody R over I-285- I-285 Ramp built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1982.

What condition is Ashford-Dunwoody R over I-285- I-285 Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Ashford-Dunwoody R over I-285- I-285 Ramp carry?

About 52,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Ashford-Dunwoody R over I-285- I-285 Ramp?

The structure is 244 ft (74.4 m) long with a longest span of 70 ft (21.3 m) and a deck 102 ft wide.

Who owns Ashford-Dunwoody R over I-285- I-285 Ramp?

It is owned by the State Highway Agency.