US Bridges

SR 155 over Towaliga River

Good

Spalding County, Georgia · 6.5 MI NE of Griffin · Structure no. 000000025550570

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
3 main spans
Daily traffic
10,300
2024 count
Owner
State
State Highway Agency

About this bridge

SR 155 over Towaliga River is a prestressed concrete stringer/multi-beam or girder carrying SR 155 over Towaliga River in Spalding County, Georgia. It was built in 2008, so it is 17 years old, younger 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.

It carries about 10,300 vehicles a day, roughly 4% of them trucks, projected to reach 13,440 by 2031. The structure is 360 ft (109.7 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR 155
CrossesTowaliga River
Location6.5 MI NE of Griffin
RouteState Highway 155
StateGeorgia
Coordinates33.31979, -84.1833
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating64.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length360 ft (109.7 m)
Longest span120 ft (36.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2024)
Projected traffic13,440 by 2031
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 155 over Towaliga River built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR 155 over Towaliga River 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 August 2024.

How much traffic does SR 155 over Towaliga River carry?

About 10,300 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 155 over Towaliga River?

The structure is 360 ft (109.7 m) long with a longest span of 120 ft (36.6 m) and a deck 47 ft wide.

Who owns SR 155 over Towaliga River?

It is owned by the State Highway Agency.