US Bridges

Nfa A442 over Black Creek

Good

Scott County, Tennessee · 4.7 M SW of Helenwood · Structure no. 760A2900001

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A442 over Black Creek is a concrete continuous culvert carrying Nfa A442 over Black Creek in Scott County, Tennessee. It was built in 1992, so it is 33 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2041. The structure is 32 ft (9.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A442
CrossesBlack Creek
Location4.7 M SW of Helenwood
RouteCounty Highway 442
Coordinates36.37762, -84.60695
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A442 over Black Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa A442 over Black 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 2024.

How much traffic does Nfa A442 over Black Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A442 over Black Creek?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A442 over Black Creek?

It is owned by the County Highway Agency.