US Bridges

I-75 over Tanyard Creek Trib

Fair

Whitfield County, Georgia · 1 MI E of Tunnel Hill · Structure no. 000000031300490

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
88,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over Tanyard Creek Trib is a concrete culvert carrying I-75 over Tanyard Creek Trib in Whitfield County, Georgia. It was built in 1963, so it is 62 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 6 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 88,100 vehicles a day, roughly 1% of them trucks, projected to reach 121,665 by 2031. The structure is 55 ft (16.8 m) long.

CarriesI-75
CrossesTanyard Creek Trib
Location1 MI E of Tunnel Hill
RouteInterstate 75
StateGeorgia
Coordinates34.86002, -85.0242
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans4
Design loadHS 20 + Mod
Structure length55 ft (16.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88,100 (2024)
Projected traffic121,665 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$674,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 over Tanyard Creek Trib built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-75 over Tanyard Creek Trib 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 May 2024.

How much traffic does I-75 over Tanyard Creek Trib carry?

About 88,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over Tanyard Creek Trib?

The structure is 55 ft (16.8 m) long with a longest span of 13 ft (4 m).

Who owns I-75 over Tanyard Creek Trib?

It is owned by the State Highway Agency.