US Bridges

Nfa 2071 (sa 8320) over Caney Fork Creek

Fair

Sumner County, Tennessee · 2.7 MI NW JCT SR52&SR259 · Structure no. 83020710001

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
92 ft
5 main spans
Daily traffic
1,240
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2071 (sa 8320) over Caney Fork Creek is a concrete continuous culvert carrying Nfa 2071 (sa 8320) over Caney Fork Creek in Sumner County, Tennessee. It was built in 1970, so it is 55 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 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 1,240 vehicles a day, roughly 3% of them trucks, projected to reach 1,984 by 2042. The structure is 92 ft (28 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 2071 (sa 8320)
CrossesCaney Fork Creek
Location2.7 MI NW JCT SR52&SR259
RouteCounty Highway 2071
Coordinates36.585, -86.42702
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length92 ft (28 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,240 (2021)
Projected traffic1,984 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 2071 (sa 8320) over Caney Fork Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 2071 (sa 8320) over Caney 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 October 2024.

How much traffic does Nfa 2071 (sa 8320) over Caney Fork Creek carry?

About 1,240 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2071 (sa 8320) over Caney Fork Creek?

The structure is 92 ft (28 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa 2071 (sa 8320) over Caney Fork Creek?

It is owned by the County Highway Agency.