US Bridges

SR 18 over Walnut Creek Trib

Fair

Meriwether County, Georgia · In Greenville · Structure no. 000000019900100

Built
1933
92 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,520
2024 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Walnut Creek Trib is a concrete culvert carrying SR 18 over Walnut Creek Trib in Meriwether County, Georgia. It was built in 1933, so it is 92 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,520 vehicles a day, roughly 1% of them trucks, projected to reach 3,240 by 2031. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 18
CrossesWalnut Creek Trib
LocationIn Greenville
RouteState Highway 18
StateGeorgia
Coordinates33.02961, -84.70183
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.9 US tons
Inventory rating37.9 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 traffic3,520 (2024)
Projected traffic3,240 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 18 over Walnut Creek Trib built?

It was built in 1933, making it 92 years old in 2025.

What condition is SR 18 over Walnut Creek Trib in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does SR 18 over Walnut Creek Trib carry?

About 3,520 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 18 over Walnut Creek Trib?

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

Who owns SR 18 over Walnut Creek Trib?

It is owned by the State Highway Agency.