US Bridges

Key RD over Mulberry Creek

Fair

Cloud County, Kansas · 0.5W 2.8S of St. Joseph · Structure no. 000150813203740

Built
1954
71 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
30
2019 count
Owner
County
County Highway Agency

About this bridge

Key RD over Mulberry Creek is a concrete culvert carrying Key RD over Mulberry Creek in Cloud County, Kansas. It was built in 1954, so it is 71 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 30 by 2043. The structure is 21 ft (6.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKey RD
CrossesMulberry Creek
Location0.5W 2.8S of St. Joseph
RouteCounty Highway 1535
CountyCloud County
StateKansas
Coordinates39.46594, -97.40349
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2019)
Projected traffic30 by 2043
Trucks0%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Key RD over Mulberry Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Key RD over Mulberry Creek 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 Key RD over Mulberry Creek carry?

About 30 vehicles per day (2019 count).

How long is Key RD over Mulberry Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Key RD over Mulberry Creek?

It is owned by the County Highway Agency.