US Bridges

Csah 22 over Rum River

Good

Anoka County, Minnesota · 0.2 MI E of JCT CR 7 · Structure no. 02595

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
246 ft
3 main spans
Daily traffic
9,139
2024 count
Owner
County
County Highway Agency

About this bridge

Csah 22 over Rum River is a prestressed concrete stringer/multi-beam or girder carrying Csah 22 over Rum River in Anoka County, Minnesota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,139 vehicles a day, projected to reach 10,098 by 2044. The structure is 246 ft (75 m) long and 58 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 22
CrossesRum River
Location0.2 MI E of JCT CR 7
RouteCounty Highway 22
Coordinates45.3275, -93.37279
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length246 ft (75 m)
Longest span86 ft (26.2 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,139 (2024)
Projected traffic10,098 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 22 over Rum River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 22 over Rum 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 December 2024.

How much traffic does Csah 22 over Rum River carry?

About 9,139 vehicles per day (2024 count).

How long is Csah 22 over Rum River?

The structure is 246 ft (75 m) long with a longest span of 86 ft (26.2 m) and a deck 58 ft wide.

Who owns Csah 22 over Rum River?

It is owned by the County Highway Agency.