US Bridges

SR 21 over Turkey Branch

Good

Effingham County, Georgia · 4 MI N of Springfield · Structure no. 000000010300380

Built
1986
39 years old, rebuilt 1998
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
63 ft
6 main spans
Daily traffic
6,140
2024 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Turkey Branch is a concrete culvert carrying SR 21 over Turkey Branch in Effingham County, Georgia. It was built in 1986 and reconstructed in 1998, so it is 39 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 6,140 vehicles a day, roughly 1% of them trucks, projected to reach 8,070 by 2031. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesSR 21
CrossesTurkey Branch
Location4 MI N of Springfield
RouteState Highway 21
StateGeorgia
Coordinates32.42369, -81.36862
Functional classRural 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20 + Mod
Structure length63 ft (19.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,140 (2024)
Projected traffic8,070 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

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$571,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 over Turkey Branch built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1998.

What condition is SR 21 over Turkey 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 SR 21 over Turkey Branch carry?

About 6,140 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 21 over Turkey Branch?

The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m).

Who owns SR 21 over Turkey Branch?

It is owned by the State Highway Agency.