US Bridges

Williamson Road over Rocky Creek

Good

Bibb County, Georgia · 0.6 MI W of SR247 SW Maco · Structure no. 000000002101720

Built
1959
66 years old, rebuilt 2000
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
4 main spans
Daily traffic
7,290
2024 count
Owner
County
County Highway Agency

About this bridge

Williamson Road over Rocky Creek is a concrete culvert carrying Williamson Road over Rocky Creek in Bibb County, Georgia. It was built in 1959 and reconstructed in 2000, so it is 66 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 7,290 vehicles a day, roughly 1% of them trucks, projected to reach 10,665 by 2032. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWilliamson Road
CrossesRocky Creek
Location0.6 MI W of SR247 SW Maco
RouteCity Street 3202
StateGeorgia
Coordinates32.806, -83.68612
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans4
Design loadH 15
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,290 (2024)
Projected traffic10,665 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost$164,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Williamson Road over Rocky Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2000.

What condition is Williamson Road over Rocky 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 November 2023.

How much traffic does Williamson Road over Rocky Creek carry?

About 7,290 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Williamson Road over Rocky Creek?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m).

Who owns Williamson Road over Rocky Creek?

It is owned by the County Highway Agency.