US Bridges

Nfa A707 over Branch

Fair

Claiborne County, Tennessee · Near Cumberland Mts. · Structure no. 13SR1320001

Built
1985
40 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
340
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A707 over Branch is a concrete continuous culvert carrying Nfa A707 over Branch in Claiborne County, Tennessee. It was built in 1985, so it is 40 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 340 vehicles a day, roughly 21% of them trucks, projected to reach 544 by 2041. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A707
CrossesBranch
LocationNear Cumberland Mts.
RouteCounty Highway 707
CountyClaiborne County
StateTennessee
Coordinates36.579, -83.80219
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic544 by 2041
Trucks21%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A707 over Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A707 over 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 June 2023.

How much traffic does Nfa A707 over Branch carry?

About 340 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is Nfa A707 over Branch?

The structure is 37 ft (11.3 m) long with a longest span of 11 ft (3.4 m).

Who owns Nfa A707 over Branch?

It is owned by the County Highway Agency.