US Bridges

Anvil Block Road over I-675 (sr 413)

Good

Clayton County, Georgia · 1 MI NE of Fort Gillem · Structure no. 000000006301230

Built
1984
41 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
307 ft
2 main spans
Daily traffic
22,900
2024 count
Owner
State
State Highway Agency

About this bridge

Anvil Block Road over I-675 (sr 413) is a prestressed concrete continuous box beam or girders - single or spread carrying Anvil Block 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 22,900 vehicles a day, roughly 1% of them trucks, projected to reach 20,670 by 2032. The structure is 307 ft (93.6 m) long and 85 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAnvil Block Road
CrossesI-675 (sr 413)
Location1 MI NE of Fort Gillem
RouteCity Street 9113
StateGeorgia
Coordinates33.63325, -84.30393
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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length307 ft (93.6 m)
Longest span157 ft (47.9 m)
Deck width85 ft (26 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,900 (2024)
Projected traffic20,670 by 2032
Trucks1%
Lanes on structure5
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 Anvil Block Road over I-675 (sr 413) built?

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

What condition is Anvil Block 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 Anvil Block Road over I-675 (sr 413) carry?

About 22,900 vehicles per day (2024 count), of which roughly 1% are trucks.

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

The structure is 307 ft (93.6 m) long with a longest span of 157 ft (47.9 m) and a deck 85 ft wide.

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

It is owned by the State Highway Agency.