US Bridges

SR 100 over Clarks Creek

Good

Chattooga County, Georgia · 3.5 MI SE of Lyerly · Structure no. 000000005551030

Built
2022
3 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
130 ft
1 main span
Daily traffic
1,250
2024 count
Owner
State
State Highway Agency

About this bridge

SR 100 over Clarks Creek is a concrete stringer/multi-beam or girder carrying SR 100 over Clarks Creek in Chattooga County, Georgia. It was built in 2022, so it is 3 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 1,250 vehicles a day, roughly 13% of them trucks, projected to reach 1,675 by 2042. The structure is 130 ft (39.6 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 100
CrossesClarks Creek
Location3.5 MI SE of Lyerly
RouteState Highway 100
StateGeorgia
Coordinates34.36773, -85.36604
Functional classRural Major Collector

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 protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating66.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length130 ft (39.6 m)
Longest span130 ft (39.6 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic1,250 (2024)
Projected traffic1,675 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$17.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 100 over Clarks Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR 100 over Clarks 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 SR 100 over Clarks Creek carry?

About 1,250 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 100 over Clarks Creek?

The structure is 130 ft (39.6 m) long with a longest span of 130 ft (39.6 m) and a deck 39 ft wide.

Who owns SR 100 over Clarks Creek?

It is owned by the State Highway Agency.