US Bridges

Nfa A012 over Courtney Branch

Fair

Henderson County, Tennessee · 2 MI N of SR20 · Structure no. 390A0120003

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
47 ft
1 main span
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A012 over Courtney Branch is a concrete culvert carrying Nfa A012 over Courtney Branch in Henderson County, Tennessee. It was built in 1997, so it is 28 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 140 vehicles a day, roughly 6% of them trucks, projected to reach 224 by 2038. The structure is 47 ft (14.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A012
CrossesCourtney Branch
Location2 MI N of SR20
RouteCounty Highway 12
Coordinates35.71378, -88.54803
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2038
Trucks6%
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 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 A012 over Courtney Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa A012 over Courtney Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Nfa A012 over Courtney Branch carry?

About 140 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A012 over Courtney Branch?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns Nfa A012 over Courtney Branch?

It is owned by the County Highway Agency.