US Bridges

Nfa A334 over Spring Creek (mtsp)

Fair

Perry County, Tennessee · 3 M. N. SR20 near Tenn. R · Structure no. 680B1000001

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
70
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Nfa A334 over Spring Creek (mtsp) is a concrete continuous culvert carrying Nfa A334 over Spring Creek (mtsp) in Perry County, Tennessee. It was built in 1987, so it is 38 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 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2041. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A334
CrossesSpring Creek (mtsp)
Location3 M. N. SR20 near Tenn. R
RouteCounty Highway 334
Coordinates35.65323, -88.00165
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2041
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

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 A334 over Spring Creek (mtsp) built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa A334 over Spring Creek (mtsp) 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 2023.

How much traffic does Nfa A334 over Spring Creek (mtsp) carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A334 over Spring Creek (mtsp)?

The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A334 over Spring Creek (mtsp)?

It is owned by the State Park, Forest, or Reservation Agency.