US Bridges

Nfa A513 over Sinking Creek

Fair

Greene County, Tennessee · Just E of Tusculum · Structure no. 300A5130001

Built
1910
115 years old, rebuilt 2003
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
2 main spans
Daily traffic
520
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A513 over Sinking Creek is a steel stringer/multi-beam or girder carrying Nfa A513 over Sinking Creek in Greene County, Tennessee. It was built in 1910 and reconstructed in 2003, so it is 115 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 520 vehicles a day, roughly 2% of them trucks, projected to reach 832 by 2042. The structure is 31 ft (9.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A513
CrossesSinking Creek
LocationJust E of Tusculum
RouteCounty Highway 513
CountyGreene County
StateTennessee
Coordinates36.18267, -82.73428
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span14 ft (4.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2020)
Projected traffic832 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$238,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A513 over Sinking Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2003.

What condition is Nfa A513 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 February 2023.

How much traffic does Nfa A513 over Sinking Creek carry?

About 520 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A513 over Sinking Creek?

The structure is 31 ft (9.3 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns Nfa A513 over Sinking Creek?

It is owned by the County Highway Agency.