US Bridges

Nfa 1280 (sa 0710) over Branch

Fair

Campbell County, Tennessee · 7.5 M SW of JELLICO-SR9 · Structure no. 07S25260003

Built
1940
85 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
840
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1280 (sa 0710) over Branch is a steel stringer/multi-beam or girder carrying Nfa 1280 (sa 0710) over Branch in Campbell County, Tennessee. It was built in 1940, so it is 85 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 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 840 vehicles a day, roughly 3% of them trucks, projected to reach 1,344 by 2042. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesNfa 1280 (sa 0710)
CrossesBranch
Location7.5 M SW of JELLICO-SR9
RouteCounty Highway 1280
CountyCampbell County
StateTennessee
Coordinates36.48874, -84.18695
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2021)
Projected traffic1,344 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$88,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1280 (sa 0710) over Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa 1280 (sa 0710) 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 May 2024.

How much traffic does Nfa 1280 (sa 0710) over Branch carry?

About 840 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1280 (sa 0710) over Branch?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns Nfa 1280 (sa 0710) over Branch?

It is owned by the County Highway Agency.