US Bridges

Nfa A425 over W Fork Hickory Creek

Fair

Warren County, Tennessee · 3MI West of SR108 · Structure no. 890A4250003

Built
2011
14 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
55 ft
2 main spans
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A425 over W Fork Hickory Creek is a concrete continuous culvert carrying Nfa A425 over W Fork Hickory Creek in Warren County, Tennessee. It was built in 2011, so it is 14 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 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2042. The structure is 55 ft (16.7 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A425
CrossesW Fork Hickory Creek
Location3MI West of SR108
RouteCounty Highway 425
Coordinates35.59307, -85.86387
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length55 ft (16.7 m)
Longest span18 ft (5.5 m)
Deck width42 ft (12.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 A425 over W Fork Hickory Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa A425 over W Fork Hickory 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 May 2023.

How much traffic does Nfa A425 over W Fork Hickory Creek carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A425 over W Fork Hickory Creek?

The structure is 55 ft (16.7 m) long with a longest span of 18 ft (5.5 m) and a deck 42 ft wide.

Who owns Nfa A425 over W Fork Hickory Creek?

It is owned by the County Highway Agency.