US Bridges

Nfa A070 over Short Branch

Fair

Carroll County, Tennessee · 2.7 MI NW JCT SR76&SR105 · Structure no. 090A0700003

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A070 over Short Branch is a concrete continuous culvert carrying Nfa A070 over Short Branch in Carroll County, Tennessee. It was built in 1984, so it is 41 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 5 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2039. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A070
CrossesShort Branch
Location2.7 MI NW JCT SR76&SR105
RouteCounty Highway 70
Coordinates36.0505, -88.62703
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2039
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A070 over Short Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A070 over Short Branch 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 July 2023.

How much traffic does Nfa A070 over Short Branch carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A070 over Short Branch?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Nfa A070 over Short Branch?

It is owned by the County Highway Agency.