US Bridges

Old Kc RD Rs 1604 over Trib. to Cottonwood Ck.

Fair

Miami County, Kansas · 0.8N of Hillsdale · Structure no. 000000000610591

Built
1938
87 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,795
2011 count
Owner
County
County Highway Agency

About this bridge

Old Kc RD Rs 1604 over Trib. to Cottonwood Ck. is a concrete culvert carrying Old Kc RD Rs 1604 over Trib. to Cottonwood Ck. in Miami County, Kansas. It was built in 1938, so it is 87 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 1,795 vehicles a day, roughly 10% of them trucks, projected to reach 1,804 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesOld Kc RD Rs 1604
CrossesTrib. to Cottonwood Ck.
Location0.8N of Hillsdale
RouteCounty Highway 1604
CountyMiami County
StateKansas
Coordinates38.67643, -94.85137
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,795 (2011)
Projected traffic1,804 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Old Kc RD Rs 1604 over Trib. to Cottonwood Ck. built?

It was built in 1938, making it 87 years old in 2025.

What condition is Old Kc RD Rs 1604 over Trib. to Cottonwood Ck. 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 July 2023.

How much traffic does Old Kc RD Rs 1604 over Trib. to Cottonwood Ck. carry?

About 1,795 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Old Kc RD Rs 1604 over Trib. to Cottonwood Ck.?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Old Kc RD Rs 1604 over Trib. to Cottonwood Ck.?

It is owned by the County Highway Agency.