US Bridges

Nfa B402 over Sinking Creek

Fair

Washington County, Tennessee · S of SR67-ON City Limits · Structure no. 900B4020001

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
35 ft
4 main spans
Daily traffic
280
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B402 over Sinking Creek is a steel culvert carrying Nfa B402 over Sinking Creek in Washington County, Tennessee. It was built in 1973, so it is 52 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 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 280 vehicles a day, roughly 2% of them trucks, projected to reach 448 by 2042. The structure is 35 ft (10.7 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa B402
CrossesSinking Creek
LocationS of SR67-ON City Limits
RouteCity Street 402
CountyWashington County
StateTennessee
Coordinates36.29068, -82.35625
Functional classUrban 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 inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span6 ft (1.8 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$250,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B402 over Sinking Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa B402 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 B402 over Sinking Creek carry?

About 280 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B402 over Sinking Creek?

The structure is 35 ft (10.7 m) long with a longest span of 6 ft (1.8 m) and a deck 33 ft wide.

Who owns Nfa B402 over Sinking Creek?

It is owned by the City or Municipal Highway Agency.