US Bridges

Csah 20 over Stream

Good

Norman County, Minnesota · 0.7 MI N of JCT Csah 39 · Structure no. 54553

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
57
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Csah 20 over Stream in Norman County, Minnesota. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 57 vehicles a day, projected to reach 49 by 2041. The structure is 68 ft (20.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 20
CrossesStream
Location0.7 MI N of JCT Csah 39
RouteCounty Highway 20
CountyNorman County
StateMinnesota
Coordinates47.19014, -96.56416
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span66 ft (20 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2021)
Projected traffic49 by 2041
Trucks—
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 20 over Stream built?

It was built in 2018, making it 7 years old in 2025.

What condition is Csah 20 over Stream 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 Stream carry?

About 57 vehicles per day (2021 count).

How long is Csah 20 over Stream?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20 m) and a deck 35 ft wide.

Who owns Csah 20 over Stream?

It is owned by the County Highway Agency.