US Bridges

Grant Road over I-675 (sr 413)

Good

Clayton County, Georgia · 0.5 MI S of Dekalb CO Lin · Structure no. 000000006301090

Built
1984
41 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
371 ft
2 main spans
Daily traffic
2,047
2024 count
Owner
State
State Highway Agency

About this bridge

Grant Road over I-675 (sr 413) is a prestressed concrete continuous box beam or girders - single or spread carrying Grant Road over I-675 (sr 413) in Clayton County, Georgia. It was built in 1984, so it is 41 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 2,047 vehicles a day, roughly 1% of them trucks, projected to reach 2,895 by 2032. The structure is 371 ft (113.1 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGrant Road
CrossesI-675 (sr 413)
Location0.5 MI S of Dekalb CO Lin
RouteCounty Highway 1571
CountyClayton County
StateGeorgia
Coordinates33.64352, -84.31442
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length371 ft (113.1 m)
Longest span188 ft (57.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,047 (2024)
Projected traffic2,895 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grant Road over I-675 (sr 413) built?

It was built in 1984, making it 41 years old in 2025.

What condition is Grant Road over I-675 (sr 413) 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 2023.

How much traffic does Grant Road over I-675 (sr 413) carry?

About 2,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Grant Road over I-675 (sr 413)?

The structure is 371 ft (113.1 m) long with a longest span of 188 ft (57.3 m) and a deck 47 ft wide.

Who owns Grant Road over I-675 (sr 413)?

It is owned by the State Highway Agency.