US Bridges

Rs 20 over Clear Creek

GoodPosted for load

Atchison County, Kansas · 4.1W of Huron · Structure no. 000000000030120

Built
1930
95 years old
Condition
Good
inspected July 2024
Type
Culvert
Masonry
Length
42 ft
3 main spans
Daily traffic
48
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 20 over Clear Creek is a masonry culvert carrying Rs 20 over Clear Creek in Atchison County, Kansas. It was built in 1930, so it is 95 years old, older 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. Its operating status is: posted for load restriction.

It carries about 48 vehicles a day, projected to reach 125 by 2044. The structure is 42 ft (12.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 20
CrossesClear Creek
Location4.1W of Huron
RouteCounty Highway 20
StateKansas
Coordinates39.63836, -95.42984
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.5 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckOther
Main spans3
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic48 (2007)
Projected traffic125 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 20 over Clear Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rs 20 over Clear 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 Rs 20 over Clear Creek carry?

About 48 vehicles per day (2007 count).

How long is Rs 20 over Clear Creek?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Rs 20 over Clear Creek?

It is owned by the County Highway Agency.