US Bridges

Lyon Dairy Road over Sharp Mountain Creek

GoodPosted for load

Cherokee County, Georgia · 1.8 MI W of Ball Ground · Structure no. 000000005750460

Built
1989
36 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
3 main spans
Daily traffic
323
2024 count
Owner
County
County Highway Agency

About this bridge

Lyon Dairy Road over Sharp Mountain Creek is a steel stringer/multi-beam or girder carrying Lyon Dairy Road over Sharp Mountain Creek in Cherokee County, Georgia. It was built in 1989, so it is 36 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. Its operating status is: posted for load restriction.

It carries about 323 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2031. The structure is 110 ft (33.5 m) long and 14 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLyon Dairy Road
CrossesSharp Mountain Creek
Location1.8 MI W of Ball Ground
RouteCounty Highway 774
StateGeorgia
Coordinates34.33786, -84.40723
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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span54 ft (16.5 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic323 (2024)
Projected traffic900 by 2031
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$469,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lyon Dairy Road over Sharp Mountain Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Lyon Dairy Road over Sharp Mountain 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 Lyon Dairy Road over Sharp Mountain Creek carry?

About 323 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lyon Dairy Road over Sharp Mountain Creek?

The structure is 110 ft (33.5 m) long with a longest span of 54 ft (16.5 m) and a deck 14 ft wide.

Who owns Lyon Dairy Road over Sharp Mountain Creek?

It is owned by the County Highway Agency.