US Bridges

Old SR 46 over Luke Swamp Branch

Good

Bulloch County, Georgia · 9.1 MI S. of Brooklet · Structure no. 000000003150500

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Concrete
Length
160 ft
4 main spans
Daily traffic
1,370
2024 count
Owner
County
County Highway Agency

About this bridge

Old SR 46 over Luke Swamp Branch is a concrete tee beam carrying Old SR 46 over Luke Swamp Branch in Bulloch County, Georgia. It was built in 1998, so it is 27 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 1,370 vehicles a day, roughly 1% of them trucks, projected to reach 1,905 by 2031. The structure is 160 ft (48.8 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld SR 46
CrossesLuke Swamp Branch
Location9.1 MI S. of Brooklet
RouteCounty Highway 577
StateGeorgia
Coordinates32.24922, -81.6702
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,370 (2024)
Projected traffic1,905 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$938,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old SR 46 over Luke Swamp Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Old SR 46 over Luke Swamp Branch 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 March 2024.

How much traffic does Old SR 46 over Luke Swamp Branch carry?

About 1,370 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Old SR 46 over Luke Swamp Branch?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Old SR 46 over Luke Swamp Branch?

It is owned by the County Highway Agency.