US Bridges

SR 81 over SR316

Good

Barrow County, Georgia · 3.5 Miles South of Winder · Structure no. 000000001350610

Built
2020
5 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
239 ft
2 main spans
Daily traffic
17,700
2024 count
Owner
State
State Highway Agency

About this bridge

SR 81 over SR316 is a prestressed concrete stringer/multi-beam or girder carrying SR 81 over SR316 in Barrow County, Georgia. It was built in 2020, so it is 5 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 17,700 vehicles a day, roughly 1% of them trucks, projected to reach 18,570 by 2032. The structure is 239 ft (72.7 m) long and 76 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 81
CrossesSR316
Location3.5 Miles South of Winder
RouteState Highway 81
StateGeorgia
Coordinates33.94603, -83.75423
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length239 ft (72.7 m)
Longest span119 ft (36.3 m)
Deck width76 ft (23.2 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,700 (2024)
Projected traffic18,570 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 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$31.9 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 81 over SR316 built?

It was built in 2020, making it 5 years old in 2025.

What condition is SR 81 over SR316 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 March 2023.

How much traffic does SR 81 over SR316 carry?

About 17,700 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 81 over SR316?

The structure is 239 ft (72.7 m) long with a longest span of 119 ft (36.3 m) and a deck 76 ft wide.

Who owns SR 81 over SR316?

It is owned by the State Highway Agency.