US Bridges

Dawson Forrest RD over Black Mill Creek

Fair

Dawson County, Georgia · 5 MI S of Dawsonville · Structure no. 000000008500220

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
6,890
2024 count
Owner
County
County Highway Agency

About this bridge

Dawson Forrest RD over Black Mill Creek is a concrete culvert carrying Dawson Forrest RD over Black Mill Creek in Dawson County, Georgia. It was built in 1959, 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 fair condition with a lowest component rating of 5 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 6,890 vehicles a day, roughly 1% of them trucks, projected to reach 6,735 by 2032. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDawson Forrest RD
CrossesBlack Mill Creek
Location5 MI S of Dawsonville
RouteCounty Highway 1781
StateGeorgia
Coordinates34.35233, -84.09967
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,890 (2024)
Projected traffic6,735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$217,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dawson Forrest RD over Black Mill Creek built?

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

What condition is Dawson Forrest RD over Black Mill 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 August 2024.

How much traffic does Dawson Forrest RD over Black Mill Creek carry?

About 6,890 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Dawson Forrest RD over Black Mill Creek?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Dawson Forrest RD over Black Mill Creek?

It is owned by the County Highway Agency.