US Bridges

Perimeter RD over Lamar Canal

Fair

Chatham County, Georgia · Hunter Aaf · Structure no. DAPFORHUNBRGH1

Built
1953
72 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
1,000
2020 count
Owner
Federal
Army

About this bridge

Perimeter RD over Lamar Canal is a concrete culvert carrying Perimeter RD over Lamar Canal in Chatham 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.

It carries about 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2046. The structure is 31 ft (9.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPerimeter RD
CrossesLamar Canal
LocationHunter Aaf
StateGeorgia
Coordinates32.0206, -81.1616
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,000 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Perimeter RD over Lamar Canal built?

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

What condition is Perimeter RD over Lamar Canal 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 October 2024.

How much traffic does Perimeter RD over Lamar Canal carry?

About 1,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Perimeter RD over Lamar Canal?

The structure is 31 ft (9.6 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns Perimeter RD over Lamar Canal?

It is owned by the Army.