US Bridges

Nfa A370 over North Fork Sugar Creek

Fair

Hickman County, Tennessee · 7 M W of Pinewood · Structure no. 410A3990001

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A370 over North Fork Sugar Creek is a concrete continuous culvert carrying Nfa A370 over North Fork Sugar Creek in Hickman County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 5 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2042. The structure is 59 ft (18 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A370
CrossesNorth Fork Sugar Creek
Location7 M W of Pinewood
RouteCounty Highway 370
Coordinates35.91523, -87.60547
Functional classRural 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length59 ft (18 m)
Longest span16 ft (4.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 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 A370 over North Fork Sugar Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A370 over North Fork Sugar Creek 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 November 2023.

How much traffic does Nfa A370 over North Fork Sugar Creek carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A370 over North Fork Sugar Creek?

The structure is 59 ft (18 m) long with a longest span of 16 ft (4.9 m) and a deck 30 ft wide.

Who owns Nfa A370 over North Fork Sugar Creek?

It is owned by the County Highway Agency.