US Bridges

Nfa A834 over Branch

Fair

Obion County, Tennessee · King Road · Structure no. 660A8340001

Built
2003
22 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
420
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A834 over Branch is a prestressed concrete box beam or girders - multiple carrying Nfa A834 over Branch in Obion County, Tennessee. It was built in 2003, so it is 22 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 420 vehicles a day, roughly 4% of them trucks, projected to reach 672 by 2041. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A834
CrossesBranch
LocationKing Road
RouteCounty Highway 834
Coordinates36.45417, -89.03428
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2020)
Projected traffic672 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 of existing bridge without deck rehabilitation
Estimated improvement cost$115,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A834 over Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa A834 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 March 2023.

How much traffic does Nfa A834 over Branch carry?

About 420 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A834 over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Nfa A834 over Branch?

It is owned by the County Highway Agency.