US Bridges

Nfa A180 over Dry Fork Creek

Good

Smith County, Tennessee · Dry Fork Road · Structure no. 800A1800005

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A180 over Dry Fork Creek is a concrete continuous culvert carrying Nfa A180 over Dry Fork Creek in Smith County, Tennessee. It was built in 1998, so it is 27 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 37 ft (11.4 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A180
CrossesDry Fork Creek
LocationDry Fork Road
RouteCounty Highway 180
Coordinates36.14295, -86.00013
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 A180 over Dry Fork Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa A180 over Dry Fork 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 2023.

How much traffic does Nfa A180 over Dry Fork Creek carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A180 over Dry Fork Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns Nfa A180 over Dry Fork Creek?

It is owned by the County Highway Agency.