US Bridges

Nfa A049 (sa 3917) over Sulphur Fork Cub Creek

Good

Henderson County, Tennessee · 0.1 MI W of Decatur Co. · Structure no. 390A0490003

Built
2019
6 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A049 (sa 3917) over Sulphur Fork Cub Creek is a concrete culvert carrying Nfa A049 (sa 3917) over Sulphur Fork Cub Creek in Henderson County, Tennessee. It was built in 2019, so it is 6 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2040. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A049 (sa 3917)
CrossesSulphur Fork Cub Creek
Location0.1 MI W of Decatur Co.
RouteCounty Highway 49
Coordinates35.72639, -88.18555
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A049 (sa 3917) over Sulphur Fork Cub Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nfa A049 (sa 3917) over Sulphur Fork Cub Creek 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 July 2024.

How much traffic does Nfa A049 (sa 3917) over Sulphur Fork Cub Creek carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A049 (sa 3917) over Sulphur Fork Cub Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Nfa A049 (sa 3917) over Sulphur Fork Cub Creek?

It is owned by the County Highway Agency.