US Bridges

6400 RD Mile 23 over Stream

Fair

Montgomery County, Kansas · 7.0N 0.6E of Cherryvale · Structure no. 000631013606620

Built
1940
85 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
30
2010 count
Owner
County
County Highway Agency

About this bridge

6400 RD Mile 23 over Stream is a concrete continuous slab carrying 6400 RD Mile 23 over Stream in Montgomery County, Kansas. It was built in 1940, so it is 85 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 30 vehicles a day, projected to reach 35 by 2039. The structure is 25 ft (7.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries6400 RD Mile 23
CrossesStream
Location7.0N 0.6E of Cherryvale
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.36953, -95.54618
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span12 ft (3.6 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2010)
Projected traffic35 by 2039
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$210,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6400 RD Mile 23 over Stream built?

It was built in 1940, making it 85 years old in 2025.

What condition is 6400 RD Mile 23 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 6400 RD Mile 23 over Stream carry?

About 30 vehicles per day (2010 count).

How long is 6400 RD Mile 23 over Stream?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.6 m) and a deck 18 ft wide.

Who owns 6400 RD Mile 23 over Stream?

It is owned by the County Highway Agency.