US Bridges

Nfa 1246 (sa 0517) over Little River

Fair

Blount County, Tennessee · 5.5 M. Ne. Maryville. · Structure no. 05S24980001

Built
1941
84 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
257 ft
4 main spans
Daily traffic
3,992
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1246 (sa 0517) over Little River is a concrete tee beam carrying Nfa 1246 (sa 0517) over Little River in Blount County, Tennessee. It was built in 1941, so it is 84 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 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 3,992 vehicles a day, roughly 3% of them trucks, projected to reach 6,074 by 2042. The structure is 257 ft (78.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1246 (sa 0517)
CrossesLittle River
Location5.5 M. Ne. Maryville.
RouteCounty Highway 1246
CountyBlount County
StateTennessee
Coordinates35.7997, -83.88709
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadH 15
Structure length257 ft (78.3 m)
Longest span53 ft (16.3 m)
Deck width31 ft (9.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,992 (2021)
Projected traffic6,074 by 2042
Trucks3%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1246 (sa 0517) over Little River built?

It was built in 1941, making it 84 years old in 2025.

What condition is Nfa 1246 (sa 0517) over Little River 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 December 2023.

How much traffic does Nfa 1246 (sa 0517) over Little River carry?

About 3,992 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1246 (sa 0517) over Little River?

The structure is 257 ft (78.3 m) long with a longest span of 53 ft (16.3 m) and a deck 31 ft wide.

Who owns Nfa 1246 (sa 0517) over Little River?

It is owned by the County Highway Agency.