US Bridges

Triune Mill Road over Swift Creek

FairPosted for load

Upson County, Georgia · 2 MI SE of Thomaston · Structure no. 000000029350180

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
96 ft
3 main spans
Daily traffic
440
2024 count
Owner
County
County Highway Agency

About this bridge

Triune Mill Road over Swift Creek is a concrete tee beam carrying Triune Mill Road over Swift 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 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. Its operating status is: posted for load restriction.

It carries about 440 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 96 ft (29.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTriune Mill Road
CrossesSwift Creek
Location2 MI SE of Thomaston
RouteCounty Highway 192
CountyUpson County
StateGeorgia
Coordinates32.86716, -84.27429
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$563,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Triune Mill Road over Swift Creek built?

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

What condition is Triune Mill Road over Swift Creek 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 January 2024.

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

About 440 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Triune Mill Road over Swift Creek?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Triune Mill Road over Swift Creek?

It is owned by the County Highway Agency.