US Bridges

US 23 over I-675 (sr 413)

Good

Clayton County, Georgia · 4 MI E of Morrow · Structure no. 000000006301060

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
303 ft
2 main spans
Daily traffic
23,600
2024 count
Owner
State
State Highway Agency

About this bridge

US 23 over I-675 (sr 413) is a prestressed concrete continuous box beam or girders - multiple carrying US 23 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 23,600 vehicles a day, roughly 1% of them trucks, projected to reach 30,150 by 2032. The structure is 303 ft (92.4 m) long and 85 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 23
CrossesI-675 (sr 413)
Location4 MI E of Morrow
RouteU.S. Route 23
StateGeorgia
Coordinates33.57779, -84.27797
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 inspectionJune 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, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length303 ft (92.4 m)
Longest span154 ft (46.9 m)
Deck width85 ft (26 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,600 (2024)
Projected traffic30,150 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 US 23 over I-675 (sr 413) built?

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

What condition is US 23 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 June 2023.

How much traffic does US 23 over I-675 (sr 413) carry?

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

How long is US 23 over I-675 (sr 413)?

The structure is 303 ft (92.4 m) long with a longest span of 154 ft (46.9 m) and a deck 85 ft wide.

Who owns US 23 over I-675 (sr 413)?

It is owned by the State Highway Agency.