US Bridges

Nfa A170 over Turkey Creek

Fair

Hardin County, Tennessee · Don Franks RD N SR 203 · Structure no. 360A1700001

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
390
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A170 over Turkey Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A170 over Turkey Creek in Hardin County, Tennessee. It was built in 1985, so it is 40 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 390 vehicles a day, roughly 2% of them trucks, projected to reach 624 by 2040. The structure is 84 ft (25.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A170
CrossesTurkey Creek
LocationDon Franks RD N SR 203
RouteCounty Highway 170
Coordinates35.18761, -88.12945
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length84 ft (25.7 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2020)
Projected traffic624 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$176,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A170 over Turkey Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A170 over Turkey 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 A170 over Turkey Creek carry?

About 390 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A170 over Turkey Creek?

The structure is 84 ft (25.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Nfa A170 over Turkey Creek?

It is owned by the County Highway Agency.