US Bridges

Nfa A070 over South Creek

Fair

Benton County, Tennessee · 5.0 MI NE JCT SR69&HENRY · Structure no. 030A0700001

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A070 over South Creek is a concrete continuous culvert carrying Nfa A070 over South Creek in Benton County, Tennessee. It was built in 1991, so it is 34 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2042. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A070
CrossesSouth Creek
Location5.0 MI NE JCT SR69&HENRY
RouteCounty Highway 70
CountyBenton County
StateTennessee
Coordinates36.18918, -88.07197
Functional classRural 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
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 inspectionFebruary 2024
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 alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A070 over South Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A070 over South 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 2024.

How much traffic does Nfa A070 over South Creek carry?

About 30 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A070 over South Creek?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A070 over South Creek?

It is owned by the County Highway Agency.