US Bridges

Nfa 1355 (sa 9003) over Sinking Creek

FairPosted for load

Washington County, Tennessee · Just S of Johnson City · Structure no. 90S25870009

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
635
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1355 (sa 9003) over Sinking Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1355 (sa 9003) 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 635 vehicles a day, roughly 3% of them trucks, projected to reach 1,016 by 2042. The structure is 55 ft (16.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1355 (sa 9003)
CrossesSinking Creek
LocationJust S of Johnson City
RouteCounty Highway 1355
CountyWashington County
StateTennessee
Coordinates36.27388, -82.36849
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic635 (2021)
Projected traffic1,016 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$110,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1355 (sa 9003) over Sinking Creek built?

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

What condition is Nfa 1355 (sa 9003) 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 April 2024.

How much traffic does Nfa 1355 (sa 9003) over Sinking Creek carry?

About 635 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1355 (sa 9003) over Sinking Creek?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns Nfa 1355 (sa 9003) over Sinking Creek?

It is owned by the County Highway Agency.