US Bridges

Nfa A568 over Little River

Good

Blount County, Tennessee · 0.1M. N SR 321 @townsend. · Structure no. 050A5680001

Built
1964
61 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
292 ft
5 main spans
Daily traffic
1,390
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A568 over Little River is a prestressed concrete stringer/multi-beam or girder carrying Nfa A568 over Little River in Blount County, Tennessee. It was built in 1964, so it is 61 years old, older 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 1,390 vehicles a day, roughly 2% of them trucks, projected to reach 2,224 by 2039. The structure is 292 ft (88.9 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A568
CrossesLittle River
Location0.1M. N SR 321 @townsend.
RouteCity Street 568
Coordinates35.67662, -83.75636
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 inspectionNovember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length292 ft (88.9 m)
Longest span59 ft (17.9 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,390 (2020)
Projected traffic2,224 by 2039
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$794,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A568 over Little River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nfa A568 over Little River 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 November 2023.

How much traffic does Nfa A568 over Little River carry?

About 1,390 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A568 over Little River?

The structure is 292 ft (88.9 m) long with a longest span of 59 ft (17.9 m) and a deck 29 ft wide.

Who owns Nfa A568 over Little River?

It is owned by the City or Municipal Highway Agency.