US Bridges

Nfa 2509 over Sinking Creek

Good

Cocke County, Tennessee · 3.3 M SE of I40-US 70 JCT · Structure no. 15025090007

Built
2003
22 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 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 2003, so it is 22 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,951 vehicles a day, roughly 1% of them trucks, projected to reach 3,712 by 2040. The structure is 30 ft (9 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa 2509
CrossesSinking Creek
Location3.3 M SE of I40-US 70 JCT
RouteCounty Highway 2509
Coordinates35.93112, -83.26227
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span14 ft (4.4 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,951 (2021)
Projected traffic3,712 by 2040
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$386,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2509 over Sinking Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa 2509 over Sinking Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 30 ft (9 m) long with a longest span of 14 ft (4.4 m) and a deck 38 ft wide.

Who owns Nfa 2509 over Sinking Creek?

It is owned by the County Highway Agency.