US Bridges

Kelley Mill Road over Kelley Mill Branch

Good

Forsyth County, Georgia · 1.3 MI W of Cumming · Structure no. 000000011750010

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
10,300
2024 count
Owner
County
County Highway Agency

About this bridge

Kelley Mill Road over Kelley Mill Branch is a concrete culvert carrying Kelley Mill Road over Kelley Mill Branch in Forsyth County, Georgia. It was built in 1979, so it is 46 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 10,300 vehicles a day, roughly 1% of them trucks, projected to reach 8,700 by 2032. The structure is 36 ft (11 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesKelley Mill Road
CrossesKelley Mill Branch
Location1.3 MI W of Cumming
RouteCounty Highway 1
StateGeorgia
Coordinates34.20501, -84.16362
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2024)
Projected traffic8,700 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$211,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kelley Mill Road over Kelley Mill Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Kelley Mill Road over Kelley Mill Branch 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 May 2023.

How much traffic does Kelley Mill Road over Kelley Mill Branch carry?

About 10,300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Kelley Mill Road over Kelley Mill Branch?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m).

Who owns Kelley Mill Road over Kelley Mill Branch?

It is owned by the County Highway Agency.