US Bridges

Nfa A147 over Lane Branch

Good

Lincoln County, Tennessee · 8 M. Ne. Fayetteville. · Structure no. 520A1470001

Built
1984
41 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A147 over Lane Branch is a concrete continuous culvert carrying Nfa A147 over Lane Branch in Lincoln 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 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2042. The structure is 46 ft (13.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A147
CrossesLane Branch
Location8 M. Ne. Fayetteville.
RouteCounty Highway 147
Coordinates35.25749, -86.51591
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length46 ft (13.9 m)
Longest span15 ft (4.6 m)
Deck width36 ft (10.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 A147 over Lane Branch built?

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

What condition is Nfa A147 over Lane 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 September 2023.

How much traffic does Nfa A147 over Lane Branch carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A147 over Lane Branch?

The structure is 46 ft (13.9 m) long with a longest span of 15 ft (4.6 m) and a deck 36 ft wide.

Who owns Nfa A147 over Lane Branch?

It is owned by the County Highway Agency.