US Bridges

3300 RD Mile 21 over Stream

FairPosted for load

Montgomery County, Kansas · 1.3N 1.0W of Lehunt · Structure no. 000000000630820

Built
1930
95 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
434
2010 count
Owner
County
County Highway Agency

About this bridge

3300 RD Mile 21 over Stream is a concrete culvert carrying 3300 RD Mile 21 over Stream in Montgomery County, Kansas. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 434 vehicles a day, projected to reach 521 by 2039. The structure is 26 ft (7.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries3300 RD Mile 21
CrossesStream
Location1.3N 1.0W of Lehunt
RouteCounty Highway 2171
CountyMontgomery County
StateKansas
Coordinates37.28754, -95.76535
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.4 US tons
Inventory rating8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic434 (2010)
Projected traffic521 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 3300 RD Mile 21 over Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is 3300 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 3300 RD Mile 21 over Stream carry?

About 434 vehicles per day (2010 count).

How long is 3300 RD Mile 21 over Stream?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 32 ft wide.

Who owns 3300 RD Mile 21 over Stream?

It is owned by the County Highway Agency.