US Bridges

Nfa 2525 (sa 3204) over Sinking Fork Creek

Fair

Hamblen County, Tennessee · 1MI North of I81 · Structure no. 32024570001

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
130
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2525 (sa 3204) over Sinking Fork Creek is a concrete continuous culvert carrying Nfa 2525 (sa 3204) over Sinking Fork Creek in Hamblen County, Tennessee. It was built in 1983, so it is 42 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 130 vehicles a day, roughly 1% of them trucks, projected to reach 224 by 2039. The structure is 20 ft (6.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa 2525 (sa 3204)
CrossesSinking Fork Creek
Location1MI North of I81
RouteCounty Highway 2525
CountyHamblen County
StateTennessee
Coordinates36.15006, -83.2822
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating96.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic224 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2525 (sa 3204) over Sinking Fork Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa 2525 (sa 3204) over Sinking Fork 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 September 2023.

How much traffic does Nfa 2525 (sa 3204) over Sinking Fork Creek carry?

About 130 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 2525 (sa 3204) over Sinking Fork Creek?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Nfa 2525 (sa 3204) over Sinking Fork Creek?

It is owned by the County Highway Agency.