US Bridges

Csah 11 over Sunrise River

Good

Chisago County, Minnesota · 0.8 MI W of JCT Csah 9 · Structure no. 13522

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
1 main span
Daily traffic
1,215
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 11 over Sunrise River is a prestressed concrete stringer/multi-beam or girder carrying Csah 11 over Sunrise River in Chisago County, Minnesota. It was built in 2014, so it is 11 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 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 1,215 vehicles a day, projected to reach 1,050 by 2042. The structure is 144 ft (43.9 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 11
CrossesSunrise River
Location0.8 MI W of JCT Csah 9
RouteCounty Highway 11
CountyChisago County
StateMinnesota
Coordinates45.4909, -92.86468
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating77.8 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length144 ft (43.9 m)
Longest span142 ft (43.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,215 (2022)
Projected traffic1,050 by 2042
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 11 over Sunrise River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Csah 11 over Sunrise 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 September 2023.

How much traffic does Csah 11 over Sunrise River carry?

About 1,215 vehicles per day (2022 count).

How long is Csah 11 over Sunrise River?

The structure is 144 ft (43.9 m) long with a longest span of 142 ft (43.3 m) and a deck 35 ft wide.

Who owns Csah 11 over Sunrise River?

It is owned by the County Highway Agency.