US Bridges

Nfa A115 over Drainage Ditch

Good

Lauderdale County, Tennessee · 4 Mi. N. of SR19 · Structure no. 490A1150001

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A115 over Drainage Ditch is a concrete continuous culvert carrying Nfa A115 over Drainage Ditch in Lauderdale County, Tennessee. It was built in 1991, so it is 34 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 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2040. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesNfa A115
CrossesDrainage Ditch
Location4 Mi. N. of SR19
RouteCounty Highway 115
CountyLauderdale County
StateTennessee
Coordinates35.8092, -89.62704
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
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 alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 A115 over Drainage Ditch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A115 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 November 2023.

How much traffic does Nfa A115 over Drainage Ditch carry?

About 140 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A115 over Drainage Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.8 m) and a deck 29 ft wide.

Who owns Nfa A115 over Drainage Ditch?

It is owned by the County Highway Agency.