US Bridges

Csah 21 over Washington Creek

Fair

Meeker County, Minnesota · 0.5 MI E of JCT TH 15 · Structure no. 47503

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
58 ft
3 main spans
Daily traffic
610
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over Washington Creek is a prestressed concrete channel beam carrying Csah 21 over Washington Creek in Meeker County, Minnesota. It was built in 1962, so it is 63 years old, older than the Minnesota average of 38.5 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 610 vehicles a day, projected to reach 550 by 2039. The structure is 58 ft (17.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 21
CrossesWashington Creek
Location0.5 MI E of JCT TH 15
RouteCounty Highway 21
CountyMeeker County
StateMinnesota
Coordinates45.16717, -94.30649
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length58 ft (17.6 m)
Longest span19 ft (5.9 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2019)
Projected traffic550 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Csah 21 over Washington Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Csah 21 over Washington 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 November 2023.

How much traffic does Csah 21 over Washington Creek carry?

About 610 vehicles per day (2019 count).

How long is Csah 21 over Washington Creek?

The structure is 58 ft (17.6 m) long with a longest span of 19 ft (5.9 m) and a deck 31 ft wide.

Who owns Csah 21 over Washington Creek?

It is owned by the County Highway Agency.