US Bridges

FAU 3824 over Unknown Stream

Fair

Riley County, Kansas · Dickens Ave · Structure no. 417750813824008

Built
2006
19 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
33 ft
4 main spans
Daily traffic
1,500
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3824 over Unknown Stream is a concrete culvert carrying FAU 3824 over Unknown Stream in Riley County, Kansas. It was built in 2006, so it is 19 years old, younger than the Kansas average of 52.8 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 1,600 by 2042. The structure is 33 ft (10.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 3824
CrossesUnknown Stream
LocationDickens Ave
RouteCity Street 0
CountyRiley County
StateKansas
Coordinates39.19647, -96.60498
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span9 ft (2.8 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,500 (2009)
Projected traffic1,600 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 3824 over Unknown Stream built?

It was built in 2006, making it 19 years old in 2025.

What condition is FAU 3824 over Unknown Stream 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 April 2024.

How much traffic does FAU 3824 over Unknown Stream carry?

About 1,500 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is FAU 3824 over Unknown Stream?

The structure is 33 ft (10.1 m) long with a longest span of 9 ft (2.8 m) and a deck 37 ft wide.

Who owns FAU 3824 over Unknown Stream?

It is owned by the City or Municipal Highway Agency.