US Bridges

Nfa A039 over Lankford Branch

Good

Smith County, Tennessee · 1.7 MI NE JCT SR85&SR263 · Structure no. 800A0390005

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
470
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A039 over Lankford Branch is a concrete continuous culvert carrying Nfa A039 over Lankford Branch in Smith County, Tennessee. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 470 vehicles a day, roughly 2% of them trucks, projected to reach 752 by 2042. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A039
CrossesLankford Branch
Location1.7 MI NE JCT SR85&SR263
RouteCounty Highway 39
CountySmith County
StateTennessee
Coordinates36.33351, -85.91473
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.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span16 ft (4.8 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2020)
Projected traffic752 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 A039 over Lankford Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Nfa A039 over Lankford Branch 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 June 2023.

How much traffic does Nfa A039 over Lankford Branch carry?

About 470 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A039 over Lankford Branch?

The structure is 37 ft (11.3 m) long with a longest span of 16 ft (4.8 m) and a deck 25 ft wide.

Who owns Nfa A039 over Lankford Branch?

It is owned by the County Highway Agency.