US Bridges

Triune Mill Road over Tobler Creek

GoodPosted for load

Upson County, Georgia · 7 MI SE of Thomaston · Structure no. 000000029350190

Built
1960
65 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
266 ft
7 main spans
Daily traffic
519
2024 count
Owner
County
County Highway Agency

About this bridge

Triune Mill Road over Tobler Creek is a concrete tee beam carrying Triune Mill Road over Tobler Creek in Upson County, Georgia. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 519 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 266 ft (81.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesTriune Mill Road
CrossesTobler Creek
Location7 MI SE of Thomaston
RouteCounty Highway 192
StateGeorgia
Coordinates32.85824, -84.21053
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28 US tons
Inventory rating16 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length266 ft (81.1 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Triune Mill Road over Tobler Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Triune Mill Road over Tobler 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 January 2024.

How much traffic does Triune Mill Road over Tobler Creek carry?

About 519 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Triune Mill Road over Tobler Creek?

The structure is 266 ft (81.1 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns Triune Mill Road over Tobler Creek?

It is owned by the County Highway Agency.