US Bridges

Glenwood Road over I-285 (sr 407)

Good

DeKalb County, Georgia · 3.5 MI SE of Decatur · Structure no. 000000008951830

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
243 ft
2 main spans
Daily traffic
16,300
2024 count
Owner
State
State Highway Agency

About this bridge

Glenwood Road over I-285 (sr 407) is a prestressed concrete stringer/multi-beam or girder carrying Glenwood Road over I-285 (sr 407) in DeKalb County, Georgia. It was built in 2023, so it is 2 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 16,300 vehicles a day, roughly 2% of them trucks, projected to reach 28,050 by 2048. The structure is 243 ft (74.1 m) long and 87 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesGlenwood Road
CrossesI-285 (sr 407)
Location3.5 MI SE of Decatur
RouteState Highway 260
CountyDeKalb County
StateGeorgia
Coordinates33.73721, -84.23084
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length243 ft (74.1 m)
Longest span121 ft (37 m)
Deck width87 ft (26.6 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,300 (2024)
Projected traffic28,050 by 2048
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 2023, making it 2 years old in 2025.

What condition is Glenwood Road over I-285 (sr 407) 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 May 2024.

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

About 16,300 vehicles per day (2024 count), of which roughly 2% are trucks.

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

The structure is 243 ft (74.1 m) long with a longest span of 121 ft (37 m) and a deck 87 ft wide.

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

It is owned by the State Highway Agency.