US Bridges

Nfa A471 over Yellow Creek

Fair

Dickson County, Tennessee · 0.18 M. Ne. SR46. · Structure no. 220A0470001

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
214 ft
4 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A471 over Yellow Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A471 over Yellow Creek in Dickson County, Tennessee. It was built in 1992, so it is 33 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2042. The structure is 214 ft (65.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A471
CrossesYellow Creek
Location0.18 M. Ne. SR46.
RouteCounty Highway 471
Coordinates36.20845, -87.52928
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span54 ft (16.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 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 closed3.7 mi (6 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 A471 over Yellow Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa A471 over Yellow 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 2024.

How much traffic does Nfa A471 over Yellow Creek carry?

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

How long is Nfa A471 over Yellow Creek?

The structure is 214 ft (65.2 m) long with a longest span of 54 ft (16.4 m) and a deck 24 ft wide.

Who owns Nfa A471 over Yellow Creek?

It is owned by the County Highway Agency.