US Bridges

Bouldercrest RD over I-285 (sr 407)

Fair

DeKalb County, Georgia · 9 MI S of Decatur · Structure no. 000000008901480

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
4 main spans
Daily traffic
23,600
2024 count
Owner
State
State Highway Agency

About this bridge

Bouldercrest RD over I-285 (sr 407) is a steel continuous stringer/multi-beam or girder carrying Bouldercrest RD over I-285 (sr 407) in DeKalb County, Georgia. It was built in 1966, so it is 59 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 5 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 23,600 vehicles a day, roughly 1% of them trucks, projected to reach 31,725 by 2031. The structure is 247 ft (75.3 m) long and 73 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBouldercrest RD
CrossesI-285 (sr 407)
Location9 MI S of Decatur
RouteCity Street 9092
CountyDeKalb County
StateGeorgia
Coordinates33.68393, -84.31001
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating58 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length247 ft (75.3 m)
Longest span72 ft (21.9 m)
Deck width73 ft (22.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,600 (2024)
Projected traffic31,725 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bouldercrest RD over I-285 (sr 407) built?

It was built in 1966, making it 59 years old in 2025.

What condition is Bouldercrest RD 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 April 2024.

How much traffic does Bouldercrest RD over I-285 (sr 407) carry?

About 23,600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Bouldercrest RD over I-285 (sr 407)?

The structure is 247 ft (75.3 m) long with a longest span of 72 ft (21.9 m) and a deck 73 ft wide.

Who owns Bouldercrest RD over I-285 (sr 407)?

It is owned by the State Highway Agency.