US Bridges

Nfa 2419 (sa 8710) over Branch

FairPosted for load

Union County, Tennessee · E of SR33-S of Norris Lk · Structure no. 87024190005

Built
1935
90 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
284
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2419 (sa 8710) over Branch is a steel stringer/multi-beam or girder carrying Nfa 2419 (sa 8710) over Branch in Union County, Tennessee. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 284 vehicles a day, roughly 3% of them trucks, projected to reach 544 by 2041. The structure is 32 ft (9.8 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa 2419 (sa 8710)
CrossesBranch
LocationE of SR33-S of Norris Lk
RouteCounty Highway 2419
Coordinates36.30143, -83.71825
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2021)
Projected traffic544 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$143,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2419 (sa 8710) over Branch built?

It was built in 1935, making it 90 years old in 2025.

What condition is Nfa 2419 (sa 8710) 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 July 2024.

How much traffic does Nfa 2419 (sa 8710) over Branch carry?

About 284 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2419 (sa 8710) over Branch?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 21 ft wide.

Who owns Nfa 2419 (sa 8710) over Branch?

It is owned by the County Highway Agency.