US Bridges

Henderson Road over I-285 (sr 407)

Fair

DeKalb County, Georgia · 3.3 MI SE of Chamblee · Structure no. 000000008902130

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
4 main spans
Daily traffic
5,120
2024 count
Owner
State
State Highway Agency

About this bridge

Henderson Road over I-285 (sr 407) is a steel continuous stringer/multi-beam or girder carrying Henderson Road over I-285 (sr 407) in DeKalb County, Georgia. It was built in 1968, so it is 57 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 5,120 vehicles a day, roughly 1% of them trucks, projected to reach 6,825 by 2031. The structure is 239 ft (72.8 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHenderson Road
CrossesI-285 (sr 407)
Location3.3 MI SE of Chamblee
RouteCity Street 9280
CountyDeKalb County
StateGeorgia
Coordinates33.86779, -84.2494
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span71 ft (21.6 m)
Deck width41 ft (12.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,120 (2024)
Projected traffic6,825 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Henderson Road over I-285 (sr 407) built?

It was built in 1968, making it 57 years old in 2025.

What condition is Henderson Road over I-285 (sr 407) 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 July 2024.

How much traffic does Henderson Road over I-285 (sr 407) carry?

About 5,120 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Henderson Road over I-285 (sr 407)?

The structure is 239 ft (72.8 m) long with a longest span of 71 ft (21.6 m) and a deck 41 ft wide.

Who owns Henderson Road over I-285 (sr 407)?

It is owned by the State Highway Agency.