US Bridges

Nfa 1221 (sa 7014) over Rocky Ford Creek

Fair

Polk County, Tennessee · 1.7 MI SE JCT SR68&SR123 · Structure no. 70012210003

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
58 ft
2 main spans
Daily traffic
646
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1221 (sa 7014) over Rocky Ford Creek is a concrete continuous culvert carrying Nfa 1221 (sa 7014) over Rocky Ford Creek in Polk 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 646 vehicles a day, roughly 3% of them trucks, projected to reach 368 by 2040. The structure is 58 ft (17.7 m) long and 49 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesNfa 1221 (sa 7014)
CrossesRocky Ford Creek
Location1.7 MI SE JCT SR68&SR123
RouteCounty Highway 1221
CountyPolk County
StateTennessee
Coordinates35.10202, -84.31284
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span15 ft (4.6 m)
Deck width49 ft (14.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic646 (2021)
Projected traffic368 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 1221 (sa 7014) over Rocky Ford Creek built?

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

What condition is Nfa 1221 (sa 7014) over Rocky Ford 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 May 2024.

How much traffic does Nfa 1221 (sa 7014) over Rocky Ford Creek carry?

About 646 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1221 (sa 7014) over Rocky Ford Creek?

The structure is 58 ft (17.7 m) long with a longest span of 15 ft (4.6 m) and a deck 49 ft wide.

Who owns Nfa 1221 (sa 7014) over Rocky Ford Creek?

It is owned by the County Highway Agency.