US Bridges

SR 37 over Big Slough Overflow

Good

Mitchell County, Georgia · 2.1 MI E of Camilla · Structure no. 000000020500120

Built
1923
102 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
2,150
2024 count
Owner
State
State Highway Agency

About this bridge

SR 37 over Big Slough Overflow is a concrete culvert carrying SR 37 over Big Slough Overflow in Mitchell County, Georgia. It was built in 1923, so it is 102 years old, older 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 2,150 vehicles a day, roughly 1% of them trucks, projected to reach 3,015 by 2031. The structure is 27 ft (8.2 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 37
CrossesBig Slough Overflow
Location2.1 MI E of Camilla
RouteState Highway 37
StateGeorgia
Coordinates31.23187, -84.17387
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2024)
Projected traffic3,015 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.7 mi (14 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 37 over Big Slough Overflow built?

It was built in 1923, making it 102 years old in 2025.

What condition is SR 37 over Big Slough Overflow 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 July 2024.

How much traffic does SR 37 over Big Slough Overflow carry?

About 2,150 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 37 over Big Slough Overflow?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns SR 37 over Big Slough Overflow?

It is owned by the State Highway Agency.