US Bridges

Nfa A180 over Dry Fork Creek

Good

Smith County, Tennessee · 1.2 MI SE JCT SR53&SR141 · Structure no. 800A1800001

Built
1960
65 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
43 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 1960, so it is 65 years old, older 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 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A180
CrossesDry Fork Creek
Location1.2 MI SE JCT SR53&SR141
RouteCounty Highway 180
CountySmith County
StateTennessee
Coordinates36.16605, -85.98595
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 protection7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length43 ft (13.1 m)
Longest span18 ft (5.5 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$202,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A180 over Dry Fork Creek built?

It was built in 1960, making it 65 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 43 ft (13.1 m) long with a longest span of 18 ft (5.5 m) and a deck 18 ft wide.

Who owns Nfa A180 over Dry Fork Creek?

It is owned by the County Highway Agency.