US Bridges

I-75 Nbl over Clark Creek

Good

Cherokee County, Georgia · 6.5 MI W of Woodstock · Structure no. 000000005700370

Built
1976
49 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
115,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 Nbl over Clark Creek is a concrete culvert carrying I-75 Nbl over Clark Creek in Cherokee County, Georgia. It was built in 1976, so it is 49 years old, older 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 115,000 vehicles a day, roughly 1% of them trucks, projected to reach 158,565 by 2031. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI-75 Nbl
CrossesClark Creek
Location6.5 MI W of Woodstock
RouteInterstate 75
StateGeorgia
Coordinates34.08138, -84.62823
Functional classUrban Principal Arterial - Interstate

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 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 traffic115,000 (2024)
Projected traffic158,565 by 2031
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$186,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 Nbl over Clark Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-75 Nbl over Clark 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 May 2024.

How much traffic does I-75 Nbl over Clark Creek carry?

About 115,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 Nbl over Clark Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns I-75 Nbl over Clark Creek?

It is owned by the State Highway Agency.