US Bridges

FAU 3820 over Pistol Creek

Good

Blount County, Tennessee · In City of Alcoa · Structure no. 05038200001

Built
1978
47 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
15,181
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3820 over Pistol Creek is a prestressed concrete stringer/multi-beam or girder carrying FAU 3820 over Pistol Creek in Blount County, Tennessee. It was built in 1978, so it is 47 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 15,181 vehicles a day, roughly 4% of them trucks, projected to reach 24,290 by 2042. The structure is 115 ft (34.9 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 3820
CrossesPistol Creek
LocationIn City of Alcoa
RouteCity Street 3820
Coordinates35.7681, -83.98185
Functional classUrban Minor Arterial

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating55.7 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (34.9 m)
Longest span38 ft (11.7 m)
Deck width72 ft (21.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,181 (2021)
Projected traffic24,290 by 2042
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3820 over Pistol Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FAU 3820 over Pistol 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 December 2023.

How much traffic does FAU 3820 over Pistol Creek carry?

About 15,181 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 3820 over Pistol Creek?

The structure is 115 ft (34.9 m) long with a longest span of 38 ft (11.7 m) and a deck 72 ft wide.

Who owns FAU 3820 over Pistol Creek?

It is owned by the City or Municipal Highway Agency.