US Bridges

FAU 3805 over Dunlap Branch

Good

Blount County, Tennessee · In Maryville · Structure no. 05038050001

Built
2022
3 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
4,265
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3805 over Dunlap Branch is a concrete culvert carrying FAU 3805 over Dunlap Branch in Blount County, Tennessee. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,265 vehicles a day, roughly 3% of them trucks, projected to reach 6,824 by 2042. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAU 3805
CrossesDunlap Branch
LocationIn Maryville
RouteCity Street 3805
Coordinates35.75665, -83.98882
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,265 (2021)
Projected traffic6,824 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 FAU 3805 over Dunlap Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is FAU 3805 over Dunlap Branch 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 November 2023.

How much traffic does FAU 3805 over Dunlap Branch carry?

About 4,265 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3805 over Dunlap Branch?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m).

Who owns FAU 3805 over Dunlap Branch?

It is owned by the City or Municipal Highway Agency.