US Bridges

Csah 40 over Wild Rice River

Good

Norman County, Minnesota · 0.4 MI N of JCT Csah 29 · Structure no. 54539

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
120
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 40 over Wild Rice River is a prestressed concrete stringer/multi-beam or girder carrying Csah 40 over Wild Rice River in Norman County, Minnesota. It was built in 1991, so it is 34 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 120 vehicles a day, projected to reach 120 by 2039. The structure is 172 ft (52.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 40
CrossesWild Rice River
Location0.4 MI N of JCT Csah 29
RouteCounty Highway 40
Coordinates47.28548, -96.09921
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.3 m)
Longest span57 ft (17.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2016)
Projected traffic120 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 40 over Wild Rice River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Csah 40 over Wild Rice 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 2024.

How much traffic does Csah 40 over Wild Rice River carry?

About 120 vehicles per day (2016 count).

How long is Csah 40 over Wild Rice River?

The structure is 172 ft (52.3 m) long with a longest span of 57 ft (17.4 m) and a deck 35 ft wide.

Who owns Csah 40 over Wild Rice River?

It is owned by the County Highway Agency.