US Bridges

Nfa A042 over Carney Creek

Good

Davidson County, Tennessee · Dry Fork RD S. Germantown · Structure no. 190C5820003

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
160
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A042 over Carney Creek is a concrete continuous culvert carrying Nfa A042 over Carney Creek in Davidson County, Tennessee. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2041. The structure is 22 ft (6.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A042
CrossesCarney Creek
LocationDry Fork RD S. Germantown
RouteCity Street 42
Coordinates36.26492, -86.85734
Functional classUrban 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.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width34 ft (10.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2041
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A042 over Carney Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nfa A042 over Carney 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 A042 over Carney Creek carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A042 over Carney Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 34 ft wide.

Who owns Nfa A042 over Carney Creek?

It is owned by the City or Municipal Highway Agency.