US Bridges

Nfa 02406 over Ish Creek

Fair

Blount County, Tennessee · 1.3 MI W of SR-334 · Structure no. 05024060005

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
455
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 02406 over Ish Creek is a concrete continuous culvert carrying Nfa 02406 over Ish Creek in Blount County, Tennessee. It was built in 1940, 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 fair condition with a lowest component rating of 6 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 455 vehicles a day, roughly 3% of them trucks, projected to reach 763 by 2042. The structure is 41 ft (12.5 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 02406
CrossesIsh Creek
Location1.3 MI W of SR-334
RouteCity Street 2406
Coordinates35.783, -84.09554
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length41 ft (12.5 m)
Longest span10 ft (3 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2021)
Projected traffic763 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$166,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 02406 over Ish Creek built?

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

What condition is Nfa 02406 over Ish Creek 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 November 2023.

How much traffic does Nfa 02406 over Ish Creek carry?

About 455 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 02406 over Ish Creek?

The structure is 41 ft (12.5 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns Nfa 02406 over Ish Creek?

It is owned by the County Highway Agency.