US Bridges

Nfa A307 over Little Piney Creek

FairPosted for load

Chester County, Tennessee · 2.3 MI S JCT SR100&SR125 · Structure no. 120A3070001

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
51 ft
3 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A307 over Little Piney Creek is a concrete channel beam carrying Nfa A307 over Little Piney Creek in Chester County, Tennessee. It was built in 1970, so it is 55 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 4% of them trucks, projected to reach 128 by 2041. The structure is 51 ft (15.5 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa A307
CrossesLittle Piney Creek
Location2.3 MI S JCT SR100&SR125
RouteCounty Highway 307
CountyChester County
StateTennessee
Coordinates35.35336, -88.79372
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating20 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2041
Trucks4%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$317,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A307 over Little Piney Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A307 over Little Piney 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 June 2023.

How much traffic does Nfa A307 over Little Piney Creek carry?

About 80 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A307 over Little Piney Creek?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Nfa A307 over Little Piney Creek?

It is owned by the County Highway Agency.