US Bridges

Nfa A451 over Muddy Creek

Fair

Coffee County, Tennessee · 3.3 MI from SR 53 · Structure no. 160A4510001

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A451 over Muddy Creek is a concrete continuous culvert carrying Nfa A451 over Muddy Creek in Coffee County, Tennessee. It was built in 1955, so it is 70 years old, older 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 5 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 260 vehicles a day, roughly 2% of them trucks, projected to reach 416 by 2040. The structure is 32 ft (9.9 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A451
CrossesMuddy Creek
Location3.3 MI from SR 53
RouteCounty Highway 451
Coordinates35.56233, -86.10255
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span15 ft (4.5 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$155,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A451 over Muddy Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa A451 over Muddy Creek 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 March 2024.

How much traffic does Nfa A451 over Muddy Creek carry?

About 260 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A451 over Muddy Creek?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.5 m) and a deck 17 ft wide.

Who owns Nfa A451 over Muddy Creek?

It is owned by the County Highway Agency.