US Bridges

Nfa A047 over Willow Creek

Fair

Decatur County, Tennessee · 3.2 MI SE JCT I40&CARROLL · Structure no. 200A0460003

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A047 over Willow Creek is a concrete continuous culvert carrying Nfa A047 over Willow Creek in Decatur County, Tennessee. It was built in 1994, so it is 31 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 176 by 2042. The structure is 40 ft (12.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A047
CrossesWillow Creek
Location3.2 MI SE JCT I40&CARROLL
RouteCounty Highway 47
CountyDecatur County
StateTennessee
Coordinates35.77392, -88.16939
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum 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 loadHS 20
Structure length40 ft (12.3 m)
Longest span19 ft (5.7 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2042
Trucks1%
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 A047 over Willow Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A047 over Willow 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 January 2024.

How much traffic does Nfa A047 over Willow Creek carry?

About 110 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A047 over Willow Creek?

The structure is 40 ft (12.3 m) long with a longest span of 19 ft (5.7 m) and a deck 28 ft wide.

Who owns Nfa A047 over Willow Creek?

It is owned by the County Highway Agency.