US Bridges

Nfa B018 over Little Fields Branch

Fair

Cumberland County, Tennessee · South of SR1 · Structure no. 180B0180001

Built
1939
86 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B018 over Little Fields Branch is a concrete continuous culvert carrying Nfa B018 over Little Fields Branch in Cumberland County, Tennessee. It was built in 1939, so it is 86 years old, older 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 6 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2042. The structure is 22 ft (6.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa B018
CrossesLittle Fields Branch
LocationSouth of SR1
RouteCounty Highway 18
CountyCumberland County
StateTennessee
Coordinates35.94843, -85.10121
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 rating28.9 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 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 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 B018 over Little Fields Branch built?

It was built in 1939, making it 86 years old in 2025.

What condition is Nfa B018 over Little Fields Branch 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 May 2024.

How much traffic does Nfa B018 over Little Fields Branch carry?

About 110 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B018 over Little Fields Branch?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Nfa B018 over Little Fields Branch?

It is owned by the County Highway Agency.