US Bridges

Nfa A043 over Overflow

Fair

Henderson County, Tennessee · 1 MI E of Madison Co. · Structure no. 390A0430001

Built
2010
15 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A043 over Overflow is a concrete continuous culvert carrying Nfa A043 over Overflow in Henderson County, Tennessee. It was built in 2010, so it is 15 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 110 vehicles a day, roughly 6% of them trucks, projected to reach 176 by 2040. The structure is 57 ft (17.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A043
CrossesOverflow
Location1 MI E of Madison Co.
RouteCounty Highway 43
CountyHenderson County
StateTennessee
Coordinates35.77192, -88.59495
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 inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length57 ft (17.5 m)
Longest span18 ft (5.5 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2040
Trucks6%
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

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 Overflow built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa A043 over Overflow 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 July 2024.

How much traffic does Nfa A043 over Overflow carry?

About 110 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A043 over Overflow?

The structure is 57 ft (17.5 m) long with a longest span of 18 ft (5.5 m) and a deck 30 ft wide.

Who owns Nfa A043 over Overflow?

It is owned by the County Highway Agency.