US Bridges

6000 RD Mile 21 over Stream

Fair

Montgomery County, Kansas · 1.0W 4.0N of Cherryvale · Structure no. 000000000630570

Built
1941
84 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
250
2010 count
Owner
County
County Highway Agency

About this bridge

6000 RD Mile 21 over Stream is a concrete slab carrying 6000 RD Mile 21 over Stream in Montgomery County, Kansas. It was built in 1941, so it is 84 years old, older 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 250 vehicles a day, roughly 3% of them trucks, projected to reach 300 by 2039. The structure is 23 ft (6.9 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries6000 RD Mile 21
CrossesStream
Location1.0W 4.0N of Cherryvale
RouteCounty Highway 1659
CountyMontgomery County
StateKansas
Coordinates37.33996, -95.58287
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span20 ft (6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic250 (2010)
Projected traffic300 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 6000 RD Mile 21 over Stream built?

It was built in 1941, making it 84 years old in 2025.

What condition is 6000 RD Mile 21 over 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 March 2023.

How much traffic does 6000 RD Mile 21 over Stream carry?

About 250 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 6000 RD Mile 21 over Stream?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6 m) and a deck 27 ft wide.

Who owns 6000 RD Mile 21 over Stream?

It is owned by the County Highway Agency.