US Bridges

Nfa A412 over Cave Creek

Good

Wilson County, Tennessee · 0.4 MI East of SR10 · Structure no. 950A4120001

Built
1960
65 years old, rebuilt 1990
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
430
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A412 over Cave Creek is a concrete continuous culvert carrying Nfa A412 over Cave Creek in Wilson County, Tennessee. It was built in 1960 and reconstructed in 1990, 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 430 vehicles a day, roughly 2% of them trucks, projected to reach 688 by 2040. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A412
CrossesCave Creek
Location0.4 MI East of SR10
RouteCounty Highway 0A412
Coordinates36.0796, -86.33237
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 inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2020)
Projected traffic688 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 A412 over Cave Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is Nfa A412 over Cave 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 June 2024.

How much traffic does Nfa A412 over Cave Creek carry?

About 430 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A412 over Cave Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Nfa A412 over Cave Creek?

It is owned by the County Highway Agency.