US Bridges

Martin Dairy Road over Potato Creek

Fair

Lamar County, Georgia · 2.5 MI NW of Milner · Structure no. 000000017150310

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
140 ft
4 main spans
Daily traffic
280
2024 count
Owner
County
County Highway Agency

About this bridge

Martin Dairy Road over Potato Creek is a prestressed concrete box beam or girders - multiple carrying Martin Dairy Road over Potato Creek in Lamar County, Georgia. It was built in 1985, so it is 40 years old, younger 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.

It carries about 280 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMartin Dairy Road
CrossesPotato Creek
Location2.5 MI NW of Milner
RouteCounty Highway 81
CountyLamar County
StateGeorgia
Coordinates33.12508, -84.23811
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating36.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 15
Structure length140 ft (42.7 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Martin Dairy Road over Potato Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Martin Dairy Road over Potato 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 March 2023.

How much traffic does Martin Dairy Road over Potato Creek carry?

About 280 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Martin Dairy Road over Potato Creek?

The structure is 140 ft (42.7 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Martin Dairy Road over Potato Creek?

It is owned by the County Highway Agency.