US Bridges

Nfa A043 over Oneal Branch

Fair

Cocke County, Tennessee · 0.4 M N of SR9 at I40 JCT · Structure no. 150A0430001

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A043 over Oneal Branch is a concrete continuous culvert carrying Nfa A043 over Oneal Branch in Cocke County, Tennessee. It was built in 1986, so it is 39 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2038. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A043
CrossesOneal Branch
Location0.4 M N of SR9 at I40 JCT
RouteCounty Highway 43
CountyCocke County
StateTennessee
Coordinates35.97877, -83.23856
Functional classUrban 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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A043 over Oneal Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A043 over Oneal 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 October 2024.

How much traffic does Nfa A043 over Oneal Branch carry?

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

How long is Nfa A043 over Oneal Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A043 over Oneal Branch?

It is owned by the County Highway Agency.