US Bridges

Nfa A451 over Bell Branch

Fair

Henderson County, Tennessee · 3 MI E of Madison · Structure no. 390A4510003

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
240
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A451 over Bell Branch is a concrete continuous culvert carrying Nfa A451 over Bell Branch in Henderson County, Tennessee. It was built in 1984, so it is 41 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 240 vehicles a day, roughly 2% of them trucks, projected to reach 384 by 2040. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A451
CrossesBell Branch
Location3 MI E of Madison
RouteCounty Highway 451
Coordinates35.61839, -88.55564
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 rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.8 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2020)
Projected traffic384 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A451 over Bell Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A451 over Bell 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 July 2024.

How much traffic does Nfa A451 over Bell Branch carry?

About 240 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A451 over Bell Branch?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.8 m) and a deck 29 ft wide.

Who owns Nfa A451 over Bell Branch?

It is owned by the County Highway Agency.