US Bridges

Nfa A434 over Branch

Fair

Hickman County, Tennessee · 5 Miles North of Nunnelly · Structure no. 410A4340001

Built
2018
7 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,430
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A434 over Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa A434 over Branch in Hickman County, Tennessee. It was built in 2018, so it is 7 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 1,430 vehicles a day, roughly 2% of them trucks, projected to reach 2,288 by 2042. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesNfa A434
CrossesBranch
Location5 Miles North of Nunnelly
RouteState Highway 434
CountyHickman County
StateTennessee
Coordinates35.9316, -87.51209
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span55 ft (16.8 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2020)
Projected traffic2,288 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 A434 over Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Nfa A434 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 August 2023.

How much traffic does Nfa A434 over Branch carry?

About 1,430 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A434 over Branch?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 18 ft wide.

Who owns Nfa A434 over Branch?

It is owned by the County Highway Agency.