US Bridges

Csah 30 over W Br Sunrise River

Fair

Chisago County, Minnesota · In Stacy · Structure no. 6488

Built
1949
76 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
5,200
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over W Br Sunrise River is a concrete culvert carrying Csah 30 over W Br Sunrise River in Chisago County, Minnesota. It was built in 1949, so it is 76 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,200 vehicles a day, projected to reach 5,200 by 2039. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 30
CrossesW Br Sunrise River
LocationIn Stacy
RouteCounty Highway 30
Coordinates45.39474, -92.98337
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2017)
Projected traffic5,200 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$73 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 30 over W Br Sunrise River built?

It was built in 1949, making it 76 years old in 2025.

What condition is Csah 30 over W Br Sunrise 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 September 2023.

How much traffic does Csah 30 over W Br Sunrise River carry?

About 5,200 vehicles per day (2017 count).

How long is Csah 30 over W Br Sunrise River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 30 over W Br Sunrise River?

It is owned by the County Highway Agency.