US Bridges

Nfa 2509 over Sinking Creek

Fair

Cocke County, Tennessee · S of I40 near US70 JCT · Structure no. 15025090001

Built
2004
21 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
1,951
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2509 over Sinking Creek is a concrete continuous culvert carrying Nfa 2509 over Sinking Creek in Cocke County, Tennessee. It was built in 2004, so it is 21 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 1,951 vehicles a day, roughly 1% of them trucks, projected to reach 3,122 by 2042. The structure is 44 ft (13.4 m) long and 60 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa 2509
CrossesSinking Creek
LocationS of I40 near US70 JCT
RouteCounty Highway 2509
CountyCocke County
StateTennessee
Coordinates35.95075, -83.25522
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width60 ft (18.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,951 (2021)
Projected traffic3,122 by 2042
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2509 over Sinking Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Nfa 2509 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 October 2024.

How much traffic does Nfa 2509 over Sinking Creek carry?

About 1,951 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 2509 over Sinking Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 60 ft wide.

Who owns Nfa 2509 over Sinking Creek?

It is owned by the County Highway Agency.