US Bridges

FAU 3799 over Duncan Creek

Good

Blount County, Tennessee · In Maryville · Structure no. 05M37990001

Built
1950
75 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
6,568
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3799 over Duncan Creek is a concrete continuous culvert carrying FAU 3799 over Duncan Creek in Blount County, Tennessee. It was built in 1950, so it is 75 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 6,568 vehicles a day, roughly 3% of them trucks, projected to reach 9,605 by 2042. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 3799
CrossesDuncan Creek
LocationIn Maryville
RouteCity Street 3799
Coordinates35.74453, -83.95557
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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 alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,568 (2021)
Projected traffic9,605 by 2042
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$173,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3799 over Duncan Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAU 3799 over Duncan 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 3799 over Duncan Creek carry?

About 6,568 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3799 over Duncan Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns FAU 3799 over Duncan Creek?

It is owned by the City or Municipal Highway Agency.