US Bridges

Nfa A946 (sa 3017) over Little Chucky Creek

Fair

Greene County, Tennessee · N Off SR349-4 M E of 340 · Structure no. 300A9460001

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
163 ft
4 main spans
Daily traffic
340
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A946 (sa 3017) over Little Chucky Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A946 (sa 3017) over Little Chucky Creek in Greene County, Tennessee. It was built in 1988, so it is 37 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 340 vehicles a day, roughly 2% of them trucks, projected to reach 544 by 2042. The structure is 163 ft (49.7 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa A946 (sa 3017)
CrossesLittle Chucky Creek
LocationN Off SR349-4 M E of 340
RouteCounty Highway 946
CountyGreene County
StateTennessee
Coordinates36.1233, -83.01082
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length163 ft (49.7 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic544 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A946 (sa 3017) over Little Chucky Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa A946 (sa 3017) over Little Chucky 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 2023.

How much traffic does Nfa A946 (sa 3017) over Little Chucky Creek carry?

About 340 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A946 (sa 3017) over Little Chucky Creek?

The structure is 163 ft (49.7 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Nfa A946 (sa 3017) over Little Chucky Creek?

It is owned by the County Highway Agency.