US Bridges

30th Ave 24.20 over Slough Creek

Good

Reno County, Kansas · 1.0S 3.0W Willow Brook · Structure no. 000780743205640

Built
1982
43 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
123 ft
10 main spans
Daily traffic
18
2021 count
Owner
County
County Highway Agency

About this bridge

30th Ave 24.20 over Slough Creek is a concrete culvert carrying 30th Ave 24.20 over Slough Creek in Reno County, Kansas. It was built in 1982, so it is 43 years old, younger than the Kansas average of 52.8 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 18 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2046. The structure is 123 ft (37.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries30th Ave 24.20
CrossesSlough Creek
Location1.0S 3.0W Willow Brook
RouteCounty Highway 0
StateKansas
Coordinates38.08638, -98.04799
Functional classRural Local

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 inspectionJuly 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans10
Design loadH 20
Structure length123 ft (37.5 m)
Longest span12 ft (3.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic18 (2021)
Projected traffic20 by 2046
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 30th Ave 24.20 over Slough Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 30th Ave 24.20 over Slough 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 July 2024.

How much traffic does 30th Ave 24.20 over Slough Creek carry?

About 18 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 30th Ave 24.20 over Slough Creek?

The structure is 123 ft (37.5 m) long with a longest span of 12 ft (3.6 m) and a deck 30 ft wide.

Who owns 30th Ave 24.20 over Slough Creek?

It is owned by the County Highway Agency.