US Bridges

Trestle Road over Towaliga River

FairPosted for load

Spalding County, Georgia · 6 MI NE of Griffin · Structure no. 000000025550250

Built
1953
72 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
1 main span
Daily traffic
80
2024 count
Owner
County
County Highway Agency

About this bridge

Trestle Road over Towaliga River is a steel stringer/multi-beam or girder carrying Trestle Road over Towaliga River in Spalding County, Georgia. It was built in 1953, so it is 72 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 80 vehicles a day, roughly 8% of them trucks, projected to reach 120 by 2032. The structure is 160 ft (48.8 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTrestle Road
CrossesTowaliga River
Location6 MI NE of Griffin
RouteCounty Highway 129
StateGeorgia
Coordinates33.32379, -84.19638
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40.9 US tons
Inventory rating24.9 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1 (+6 approach)
Design loadH 15
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2024)
Projected traffic120 by 2032
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$938,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Trestle Road over Towaliga River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Trestle Road over 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 August 2024.

How much traffic does Trestle Road over Towaliga River carry?

About 80 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Trestle Road over Towaliga River?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 21 ft wide.

Who owns Trestle Road over Towaliga River?

It is owned by the County Highway Agency.