US Bridges

SR 117 over Lamphin Branch

Good

Telfair County, Georgia · 2 MI E of Jacksonville · Structure no. 000000027100250

Built
1947
78 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
420
2024 count
Owner
State
State Highway Agency

About this bridge

SR 117 over Lamphin Branch is a concrete culvert carrying SR 117 over Lamphin Branch in Telfair County, Georgia. It was built in 1947, so it is 78 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 420 vehicles a day, roughly 1% of them trucks, projected to reach 675 by 2031. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesSR 117
CrossesLamphin Branch
Location2 MI E of Jacksonville
RouteState Highway 117
StateGeorgia
Coordinates31.81741, -82.94435
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 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 traffic420 (2024)
Projected traffic675 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 117 over Lamphin Branch built?

It was built in 1947, making it 78 years old in 2025.

What condition is SR 117 over Lamphin 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 January 2025.

How much traffic does SR 117 over Lamphin Branch carry?

About 420 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 117 over Lamphin Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR 117 over Lamphin Branch?

It is owned by the State Highway Agency.