US Bridges

I-75 over Little Towaliga River

Fair

Monroe County, Georgia · 7.5 MI N of Forsyth · Structure no. 000000020700510

Built
1966
59 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
3 main spans
Daily traffic
90,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over Little Towaliga River is a steel continuous stringer/multi-beam or girder carrying I-75 over Little Towaliga River in Monroe County, Georgia. It was built in 1966 and reconstructed in 1986, so it is 59 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 5 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 90,200 vehicles a day, roughly 1% of them trucks, projected to reach 99,900 by 2031. The structure is 237 ft (72.2 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-75
CrossesLittle Towaliga River
Location7.5 MI N of Forsyth
RouteInterstate 75
StateGeorgia
Coordinates33.13612, -84.01894
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length237 ft (72.2 m)
Longest span93 ft (28.3 m)
Deck width138 ft (42.2 m)
Roadway width134 ft (40.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,200 (2024)
Projected traffic99,900 by 2031
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 over Little Towaliga River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1986.

What condition is I-75 over Little Towaliga River 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 September 2024.

How much traffic does I-75 over Little Towaliga River carry?

About 90,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over Little Towaliga River?

The structure is 237 ft (72.2 m) long with a longest span of 93 ft (28.3 m) and a deck 138 ft wide.

Who owns I-75 over Little Towaliga River?

It is owned by the State Highway Agency.