US Bridges

Nfa A305 over Branch

Fair

Crockett County, Tennessee · 1 MI N of Haywood Co. · Structure no. 170A3050003

Built
1986
39 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A305 over Branch is a concrete continuous culvert carrying Nfa A305 over Branch in Crockett County, Tennessee. It was built in 1986, so it is 39 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 30 vehicles a day, roughly 4% of them trucks, projected to reach 48 by 2042. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A305
CrossesBranch
Location1 MI N of Haywood Co.
RouteCounty Highway 305
CountyCrockett County
StateTennessee
Coordinates35.76003, -89.20758
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span14 ft (4.2 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A305 over Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A305 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 April 2024.

How much traffic does Nfa A305 over Branch carry?

About 30 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A305 over Branch?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.2 m) and a deck 30 ft wide.

Who owns Nfa A305 over Branch?

It is owned by the County Highway Agency.