US Bridges

Nfa 1727 (sa 3606) over South Fork Mud Creek

Fair

Hardin County, Tennessee · Coffee Landing RD · Structure no. 36017270005

Built
1984
41 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
511
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1727 (sa 3606) over South Fork Mud Creek is a concrete continuous culvert carrying Nfa 1727 (sa 3606) over South Fork Mud Creek in Hardin 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 511 vehicles a day, roughly 3% of them trucks, projected to reach 818 by 2042. The structure is 48 ft (14.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 1727 (sa 3606)
CrossesSouth Fork Mud Creek
LocationCoffee Landing RD
RouteCounty Highway 1727
Coordinates35.30686, -88.33039
Functional classRural Minor Collector

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 inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic511 (2021)
Projected traffic818 by 2042
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1727 (sa 3606) over South Fork Mud Creek built?

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

What condition is Nfa 1727 (sa 3606) over South Fork Mud 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 February 2024.

How much traffic does Nfa 1727 (sa 3606) over South Fork Mud Creek carry?

About 511 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1727 (sa 3606) over South Fork Mud Creek?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns Nfa 1727 (sa 3606) over South Fork Mud Creek?

It is owned by the County Highway Agency.