US Bridges

Rock Dam Rd. over Hogcawl Creek

Good

Dooly County, Georgia · 9 MI W of Unadilla · Structure no. 000000009350420

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete
Length
200 ft
5 main spans
Daily traffic
280
2024 count
Owner
County
County Highway Agency

About this bridge

Rock Dam Rd. over Hogcawl Creek is a concrete tee beam carrying Rock Dam Rd. over Hogcawl Creek in Dooly County, Georgia. It was built in 1999, so it is 26 years old, younger 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 280 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRock Dam Rd.
CrossesHogcawl Creek
Location9 MI W of Unadilla
RouteCounty Highway 25
StateGeorgia
Coordinates32.27914, -83.90304
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42 US tons
Inventory rating24.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2024)
Projected traffic735 by 2032
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 proposedNone recorded
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Dam Rd. over Hogcawl Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Rock Dam Rd. over Hogcawl 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 June 2023.

How much traffic does Rock Dam Rd. over Hogcawl Creek carry?

About 280 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Rock Dam Rd. over Hogcawl Creek?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Rock Dam Rd. over Hogcawl Creek?

It is owned by the County Highway Agency.