US Bridges

Nfa A274 over Swanegen Branch

Good

Wayne County, Tennessee · 2.9 MI NE JCT SR13&SR227 · Structure no. 910A2740003

Built
2002
23 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A274 over Swanegen Branch is a concrete continuous culvert carrying Nfa A274 over Swanegen Branch in Wayne County, Tennessee. It was built in 2002, so it is 23 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 160 by 2041. The structure is 32 ft (9.9 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A274
CrossesSwanegen Branch
Location2.9 MI NE JCT SR13&SR227
RouteCounty Highway 274
Coordinates35.06867, -87.63755
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span15 ft (4.5 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2041
Trucks1%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A274 over Swanegen Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is Nfa A274 over Swanegen Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Nfa A274 over Swanegen Branch carry?

About 100 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A274 over Swanegen Branch?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.5 m) and a deck 28 ft wide.

Who owns Nfa A274 over Swanegen Branch?

It is owned by the County Highway Agency.