US Bridges

CR 22/31st ST SE over Rush River

Good

Cass County, North Dakota · 1.3 West of Prosper · Structure no. 000000009132193

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
191
2022 count
Owner
County
County Highway Agency

About this bridge

CR 22/31st ST SE over Rush River is a prestressed concrete box beam or girders - single or spread carrying CR 22/31st ST SE over Rush River in Cass County, North Dakota. It was built in 2023, so it is 2 years old, younger than the North Dakota average of 48.2 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 191 vehicles a day, roughly 20% of them trucks, projected to reach 157 by 2042. The structure is 90 ft (27.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 22/31st ST SE
CrossesRush River
Location1.3 West of Prosper
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.96381, -97.04915
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span86 ft (26.2 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic191 (2022)
Projected traffic157 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR 22/31st ST SE over Rush River built?

It was built in 2023, making it 2 years old in 2025.

What condition is CR 22/31st ST SE over Rush 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 CR 22/31st ST SE over Rush River carry?

About 191 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is CR 22/31st ST SE over Rush River?

The structure is 90 ft (27.4 m) long with a longest span of 86 ft (26.2 m) and a deck 39 ft wide.

Who owns CR 22/31st ST SE over Rush River?

It is owned by the County Highway Agency.