US Bridges

Nfa 2393 (sa 0503) over Six Mile Creek

Good

Blount County, Tennessee · 10.2 M. S. Maryville. · Structure no. 05023930005

Built
1998
27 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
2,228
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2393 (sa 0503) over Six Mile Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 2393 (sa 0503) over Six Mile Creek in Blount County, Tennessee. It was built in 1998, so it is 27 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 2,228 vehicles a day, roughly 1% of them trucks, projected to reach 3,565 by 2042. The structure is 113 ft (34.4 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2393 (sa 0503)
CrossesSix Mile Creek
Location10.2 M. S. Maryville.
RouteCounty Highway 2393
Coordinates35.62232, -84.03817
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span38 ft (11.5 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,228 (2021)
Projected traffic3,565 by 2042
Trucks1%
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 of existing bridge without deck rehabilitation
Estimated improvement cost$650,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2393 (sa 0503) over Six Mile Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa 2393 (sa 0503) over Six Mile Creek 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 2024.

How much traffic does Nfa 2393 (sa 0503) over Six Mile Creek carry?

About 2,228 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 2393 (sa 0503) over Six Mile Creek?

The structure is 113 ft (34.4 m) long with a longest span of 38 ft (11.5 m) and a deck 24 ft wide.

Who owns Nfa 2393 (sa 0503) over Six Mile Creek?

It is owned by the County Highway Agency.