US Bridges

Nfa B472 over Sinking Creek

Fair

Washington County, Tennessee · S of SR67-I181 JCT · Structure no. 900B4720001

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
2,881
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B472 over Sinking Creek is a concrete continuous culvert carrying Nfa B472 over Sinking Creek in Washington County, Tennessee. It was built in 1965, so it is 60 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 2,881 vehicles a day, roughly 1% of them trucks, projected to reach 4,610 by 2042. The structure is 31 ft (9.4 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa B472
CrossesSinking Creek
LocationS of SR67-I181 JCT
RouteCity Street 472
Coordinates36.30233, -82.34058
Functional classUrban Collector

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.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width68 ft (20.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,881 (2021)
Projected traffic4,610 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 B472 over Sinking Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa B472 over Sinking 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 B472 over Sinking Creek carry?

About 2,881 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa B472 over Sinking Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 68 ft wide.

Who owns Nfa B472 over Sinking Creek?

It is owned by the City or Municipal Highway Agency.