US Bridges

Riggins Mill Road over Swift Creek

Good

Bibb County, Georgia · 4 MI E of Macon · Structure no. 000000002101830

Built
1950
75 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
2,150
2024 count
Owner
County
County Highway Agency

About this bridge

Riggins Mill Road over Swift Creek is a concrete culvert carrying Riggins Mill Road over Swift 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 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 3,210 by 2031. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRiggins Mill Road
CrossesSwift Creek
Location4 MI E of Macon
RouteCity Street 3224
StateGeorgia
Coordinates32.81754, -83.54981
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 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 alignment8: Equal to present desirable 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 traffic2,150 (2024)
Projected traffic3,210 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Swift Creek built?

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

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

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

How long is Riggins Mill Road over Swift 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 Swift Creek?

It is owned by the County Highway Agency.