US Bridges

FAU 336 over Pistol Creek

Fair

Blount County, Tennessee · In Maryville · Structure no. 05S24970005

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
55 ft
3 main spans
Daily traffic
9,831
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 336 over Pistol Creek is a concrete continuous culvert carrying FAU 336 over Pistol Creek in Blount County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 9,831 vehicles a day, roughly 10% of them trucks, projected to reach 18,229 by 2042. The structure is 55 ft (16.8 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFAU 336
CrossesPistol Creek
LocationIn Maryville
RouteState Highway 336
CountyBlount County
StateTennessee
Coordinates35.75012, -83.9726
Functional classUrban Minor Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span17 ft (5.2 m)
Deck width40 ft (12.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,831 (2021)
Projected traffic18,229 by 2042
Trucks10%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$146,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 336 over Pistol Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is FAU 336 over Pistol 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 October 2023.

How much traffic does FAU 336 over Pistol Creek carry?

About 9,831 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAU 336 over Pistol Creek?

The structure is 55 ft (16.8 m) long with a longest span of 17 ft (5.2 m) and a deck 40 ft wide.

Who owns FAU 336 over Pistol Creek?

It is owned by the State Highway Agency.