US Bridges

Csah 20 over Wild Rice River

FairPosted for load

Norman County, Minnesota · 0.9 MI S of JCT Csah 25 · Structure no. 54504

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
105
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Wild Rice River is a steel stringer/multi-beam or girder carrying Csah 20 over Wild Rice River in Norman County, Minnesota. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 105 vehicles a day, projected to reach 105 by 2039. The structure is 131 ft (39.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 20
CrossesWild Rice River
Location0.9 MI S of JCT Csah 25
RouteCounty Highway 20
Coordinates47.2554, -96.55373
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length131 ft (39.9 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2012)
Projected traffic105 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Wild Rice River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 20 over Wild Rice River 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 October 2023.

How much traffic does Csah 20 over Wild Rice River carry?

About 105 vehicles per day (2012 count).

How long is Csah 20 over Wild Rice River?

The structure is 131 ft (39.9 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns Csah 20 over Wild Rice River?

It is owned by the County Highway Agency.