US Bridges

Nfa A510 over Drainage Ditch

Fair

Lauderdale County, Tennessee · Near SR209 Jct. · Structure no. 490A0830003

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A510 over Drainage Ditch is a concrete continuous culvert carrying Nfa A510 over Drainage Ditch in Lauderdale County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 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.

It carries about 260 vehicles a day, roughly 1% of them trucks, projected to reach 416 by 2042. The structure is 21 ft (6.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A510
CrossesDrainage Ditch
LocationNear SR209 Jct.
RouteCounty Highway 510
CountyLauderdale County
StateTennessee
Coordinates35.77239, -89.51508
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A510 over Drainage Ditch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A510 over Drainage Ditch 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 2023.

How much traffic does Nfa A510 over Drainage Ditch carry?

About 260 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A510 over Drainage Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa A510 over Drainage Ditch?

It is owned by the County Highway Agency.