US Bridges

Nfa 1482 (sa 4909) over Drainage Ditch

Good

Lauderdale County, Tennessee · In Henning · Structure no. 49014820003

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
444
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 1482 (sa 4909) over Drainage Ditch is a concrete continuous culvert carrying Nfa 1482 (sa 4909) over Drainage Ditch in Lauderdale County, Tennessee. It was built in 2007, so it is 18 years old, younger than the Tennessee average of 47.4 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 444 vehicles a day, roughly 3% of them trucks, projected to reach 616 by 2042. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 1482 (sa 4909)
CrossesDrainage Ditch
LocationIn Henning
RouteCounty Highway 1482
Coordinates35.67541, -89.57066
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic444 (2021)
Projected traffic616 by 2042
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Nfa 1482 (sa 4909) over Drainage Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nfa 1482 (sa 4909) over Drainage Ditch 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 December 2023.

How much traffic does Nfa 1482 (sa 4909) over Drainage Ditch carry?

About 444 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1482 (sa 4909) over Drainage Ditch?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns Nfa 1482 (sa 4909) over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.