US Bridges

Rs 20 over Clear Creek

Good

Atchison County, Kansas · 4.8W of Huron · Structure no. 00000000003B100

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
100
2017 count
Owner
County
County Highway Agency

About this bridge

Rs 20 over Clear Creek is a steel stringer/multi-beam or girder carrying Rs 20 over Clear Creek in Atchison County, Kansas. It was built in 2018, so it is 7 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 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 100 vehicles a day, roughly 11% of them trucks, projected to reach 100 by 2042. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRs 20
CrossesClear Creek
Location4.8W of Huron
RouteCounty Highway 20
StateKansas
Coordinates39.63808, -95.43844
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2017)
Projected traffic100 by 2042
Trucks11%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 20 over Clear Creek built?

It was built in 2018, making it 7 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 100 vehicles per day (2017 count), of which roughly 11% are trucks.

How long is Rs 20 over Clear Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 27 ft wide.

Who owns Rs 20 over Clear Creek?

It is owned by the County Highway Agency.