US Bridges

Nfa 2393 (sa 0503) over Nine Mile Creek

Good

Blount County, Tennessee · 9 M. S. Maryville. · Structure no. 05023930003

Built
1940
85 years old, rebuilt 2008
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete
Length
67 ft
2 main spans
Daily traffic
2,228
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2393 (sa 0503) over Nine Mile Creek is a concrete tee beam carrying Nfa 2393 (sa 0503) over Nine Mile Creek in Blount County, Tennessee. It was built in 1940 and reconstructed in 2008, so it is 85 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 2,228 vehicles a day, roughly 1% of them trucks, projected to reach 3,565 by 2042. The structure is 67 ft (20.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa 2393 (sa 0503)
CrossesNine Mile Creek
Location9 M. S. Maryville.
RouteCounty Highway 2393
Coordinates35.63965, -84.03848
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 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 rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 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 closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2008.

What condition is Nfa 2393 (sa 0503) over Nine 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 Nine 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 Nine Mile Creek?

The structure is 67 ft (20.4 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

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

It is owned by the County Highway Agency.