US Bridges

Nfa A274 over Sulfur Springs

Fair

Decatur County, Tennessee · 1.0 MI SE JCT SR69&SR114 · Structure no. 200A2740001

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A274 over Sulfur Springs is a concrete continuous culvert carrying Nfa A274 over Sulfur Springs in Decatur County, Tennessee. It was built in 1955, so it is 70 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 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 2% of them trucks, projected to reach 48 by 2042. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A274
CrossesSulfur Springs
Location1.0 MI SE JCT SR69&SR114
RouteCounty Highway 274
CountyDecatur County
StateTennessee
Coordinates35.43547, -88.08706
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 inspectionJanuary 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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic48 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A274 over Sulfur Springs built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa A274 over Sulfur Springs 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 January 2024.

How much traffic does Nfa A274 over Sulfur Springs carry?

About 30 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A274 over Sulfur Springs?

The structure is 60 ft (18.3 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns Nfa A274 over Sulfur Springs?

It is owned by the County Highway Agency.