US Bridges

Shallowford Road over I-85

Good

DeKalb County, Georgia · 2.1 MI SE of Chamblee · Structure no. 000000008902030

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
182 ft
2 main spans
Daily traffic
18,800
2024 count
Owner
State
State Highway Agency

About this bridge

Shallowford Road over I-85 is a steel continuous stringer/multi-beam or girder carrying Shallowford Road over I-85 in DeKalb County, Georgia. It was built in 1980, so it is 45 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,800 vehicles a day, roughly 1% of them trucks, projected to reach 25,245 by 2031. The structure is 182 ft (55.5 m) long and 120 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesShallowford Road
CrossesI-85
Location2.1 MI SE of Chamblee
RouteCity Street 9267
StateGeorgia
Coordinates33.86458, -84.28879
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span91 ft (27.7 m)
Deck width120 ft (36.7 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2024)
Projected traffic25,245 by 2031
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shallowford Road over I-85 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Shallowford Road over I-85 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Shallowford Road over I-85 carry?

About 18,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Shallowford Road over I-85?

The structure is 182 ft (55.5 m) long with a longest span of 91 ft (27.7 m) and a deck 120 ft wide.

Who owns Shallowford Road over I-85?

It is owned by the State Highway Agency.