US Bridges

Nfa A374 over Bethel Branch

Fair

Dyer County, Tennessee · 1 MI W of Gibson Co. · Structure no. 230A3740001

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
270
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A374 over Bethel Branch is a concrete continuous culvert carrying Nfa A374 over Bethel Branch in Dyer County, Tennessee. It was built in 1983, so it is 42 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 270 vehicles a day, roughly 19% of them trucks, projected to reach 432 by 2042. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A374
CrossesBethel Branch
Location1 MI W of Gibson Co.
RouteCounty Highway 374
CountyDyer County
StateTennessee
Coordinates36.04355, -89.18031
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2020)
Projected traffic432 by 2042
Trucks19%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$100,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A374 over Bethel Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A374 over Bethel 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 November 2023.

How much traffic does Nfa A374 over Bethel Branch carry?

About 270 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is Nfa A374 over Bethel Branch?

The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Nfa A374 over Bethel Branch?

It is owned by the County Highway Agency.