US Bridges

Rs 21 over Stranger Creek

Good

Atchison County, Kansas · 3.4E of Cummings · Structure no. 000000000030140

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
186
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 21 over Stranger Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Rs 21 over Stranger Creek in Atchison County, Kansas. It was built in 1989, so it is 36 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 186 vehicles a day, projected to reach 198 by 2042. The structure is 240 ft (73.3 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRs 21
CrossesStranger Creek
Location3.4E of Cummings
RouteCounty Highway 21
CountyAtchison County
StateKansas
Coordinates39.46104, -95.18225
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.7 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.3 m)
Longest span94 ft (28.6 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 traffic186 (2007)
Projected traffic198 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Rs 21 over Stranger Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Rs 21 over Stranger 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 21 over Stranger Creek carry?

About 186 vehicles per day (2007 count).

How long is Rs 21 over Stranger Creek?

The structure is 240 ft (73.3 m) long with a longest span of 94 ft (28.6 m) and a deck 30 ft wide.

Who owns Rs 21 over Stranger Creek?

It is owned by the County Highway Agency.