US Bridges

Riggins Mill Road over Stone Creek

Fair

Bibb County, Georgia · 6 MI E of Macon · Structure no. 000000002101510

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
1,470
2024 count
Owner
County
County Highway Agency

About this bridge

Riggins Mill Road over Stone Creek is a concrete culvert carrying Riggins Mill Road over Stone Creek in Bibb County, Georgia. It was built in 1950, so it is 75 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 1,470 vehicles a day, roughly 1% of them trucks, projected to reach 660 by 2031. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesRiggins Mill Road
CrossesStone Creek
Location6 MI E of Macon
RouteCounty Highway 666
StateGeorgia
Coordinates32.8007, -83.53253
Functional classRural Major Collector

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 alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 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 traffic1,470 (2024)
Projected traffic660 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Riggins Mill Road over Stone Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Riggins Mill Road over Stone Creek 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 Riggins Mill Road over Stone Creek carry?

About 1,470 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Riggins Mill Road over Stone Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Riggins Mill Road over Stone Creek?

It is owned by the County Highway Agency.