US Bridges

SR 81 over Yellow River

FairPosted for load

Newton County, Georgia · In Porterdale · Structure no. 000000021700120

Built
1943
82 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
312 ft
8 main spans
Daily traffic
10,100
2024 count
Owner
State
State Highway Agency

About this bridge

SR 81 over Yellow River is a concrete tee beam carrying SR 81 over Yellow River in Newton County, Georgia. It was built in 1943, so it is 82 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. Its operating status is: posted for load restriction.

It carries about 10,100 vehicles a day, roughly 1% of them trucks, projected to reach 13,275 by 2031. The structure is 312 ft (95.1 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 81
CrossesYellow River
LocationIn Porterdale
RouteState Highway 81
StateGeorgia
Coordinates33.57032, -83.89716
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length312 ft (95.1 m)
Longest span39 ft (11.9 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2024)
Projected traffic13,275 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 81 over Yellow River built?

It was built in 1943, making it 82 years old in 2025.

What condition is SR 81 over Yellow 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 December 2024.

How much traffic does SR 81 over Yellow River carry?

About 10,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 81 over Yellow River?

The structure is 312 ft (95.1 m) long with a longest span of 39 ft (11.9 m) and a deck 52 ft wide.

Who owns SR 81 over Yellow River?

It is owned by the State Highway Agency.