US Bridges

Csah 20 over N Fk Crow River

Good

Meeker County, Minnesota · 1.0 MI SW of JCT TH 4 · Structure no. 47505

Built
1992
33 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
2 main spans
Daily traffic
530
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over N Fk Crow River is a prestressed concrete tee beam carrying Csah 20 over N Fk Crow River in Meeker County, Minnesota. It was built in 1992, so it is 33 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 530 vehicles a day, projected to reach 550 by 2039. The structure is 40 ft (12.2 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 20
CrossesN Fk Crow River
Location1.0 MI SW of JCT TH 4
RouteCounty Highway 20
Coordinates45.31441, -94.69064
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.4 US tons
Inventory rating47.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span36 ft (11.1 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2019)
Projected traffic550 by 2039
Trucks—
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 Csah 20 over N Fk Crow River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Csah 20 over N Fk Crow River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Csah 20 over N Fk Crow River carry?

About 530 vehicles per day (2019 count).

How long is Csah 20 over N Fk Crow River?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11.1 m) and a deck 40 ft wide.

Who owns Csah 20 over N Fk Crow River?

It is owned by the County Highway Agency.