US Bridges

Nfa A373 over Long Hungry Creek

Good

Macon County, Tennessee · 5 M SW Red Boiling Spring · Structure no. 560A3730001

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A373 over Long Hungry Creek is a concrete continuous culvert carrying Nfa A373 over Long Hungry Creek in Macon County, Tennessee. It was built in 1991, so it is 34 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 140 vehicles a day, roughly 4% of them trucks, projected to reach 224 by 2042. The structure is 82 ft (25 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A373
CrossesLong Hungry Creek
Location5 M SW Red Boiling Spring
RouteCounty Highway 373
Coordinates36.51748, -85.88467
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 inspectionSeptember 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than 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 length82 ft (25 m)
Longest span18 ft (5.5 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 A373 over Long Hungry Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A373 over Long Hungry 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 September 2023.

How much traffic does Nfa A373 over Long Hungry Creek carry?

About 140 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A373 over Long Hungry Creek?

The structure is 82 ft (25 m) long with a longest span of 18 ft (5.5 m) and a deck 30 ft wide.

Who owns Nfa A373 over Long Hungry Creek?

It is owned by the County Highway Agency.