US Bridges

1700 RD Mile 21 over Stream

FairPosted for load

Montgomery County, Kansas · Elk City · Structure no. 000630975006724

Built
1920
105 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
91 ft
2 main spans
Daily traffic
200
2010 count
Owner
County
County Highway Agency

About this bridge

1700 RD Mile 21 over Stream is a concrete continuous tee beam carrying 1700 RD Mile 21 over Stream in Montgomery County, Kansas. It was built in 1920, so it is 105 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2039. The structure is 91 ft (27.8 m) long and 26 ft wide.

Location

Open in Google Maps
Carries1700 RD Mile 21
CrossesStream
LocationElk City
RouteCounty Highway 0
CountyMontgomery County
StateKansas
Coordinates37.2939, -95.91105
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating19.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length91 ft (27.8 m)
Longest span44 ft (13.5 m)
Deck width26 ft (7.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic200 (2010)
Projected traffic240 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 1700 RD Mile 21 over Stream built?

It was built in 1920, making it 105 years old in 2025.

What condition is 1700 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 1700 RD Mile 21 over Stream carry?

About 200 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is 1700 RD Mile 21 over Stream?

The structure is 91 ft (27.8 m) long with a longest span of 44 ft (13.5 m) and a deck 26 ft wide.

Who owns 1700 RD Mile 21 over Stream?

It is owned by the County Highway Agency.