US Bridges

Nfa A338 over South Fork

Good

Greene County, Tennessee · 2.7 M N of US11E-SR93 JCT · Structure no. 300A3380003

Built
1984
41 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A338 over South Fork is a prestressed concrete box beam or girders - multiple carrying Nfa A338 over South Fork in Greene County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 290 vehicles a day, roughly 2% of them trucks, projected to reach 464 by 2042. The structure is 26 ft (8 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A338
CrossesSouth Fork
Location2.7 M N of US11E-SR93 JCT
RouteCounty Highway 338
Coordinates36.21741, -82.80946
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic464 by 2042
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

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$202,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A338 over South Fork built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A338 over South Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Nfa A338 over South Fork carry?

About 290 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A338 over South Fork?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Nfa A338 over South Fork?

It is owned by the County Highway Agency.