US Bridges

US 61 over S Br Sunrise River

Good

Chisago County, Minnesota · 0.1 MI E of JCT TH 35 · Structure no. 91181

Built
1967
58 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
14,200
2019 count
Owner
State
State Highway Agency

About this bridge

US 61 over S Br Sunrise River is a concrete culvert carrying US 61 over S Br Sunrise River in Chisago County, Minnesota. It was built in 1967, so it is 58 years old, older 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 14,200 vehicles a day, roughly 2% of them trucks, projected to reach 14,300 by 2039. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 61
CrossesS Br Sunrise River
Location0.1 MI E of JCT TH 35
RouteU.S. Route 61
Coordinates45.33643, -93.00269
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2019)
Projected traffic14,300 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 61 over S Br Sunrise River built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 61 over S Br 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 May 2024.

How much traffic does US 61 over S Br Sunrise River carry?

About 14,200 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is US 61 over S Br Sunrise River?

The structure is 21 ft (6.3 m) long with a longest span of 9 ft (2.8 m).

Who owns US 61 over S Br Sunrise River?

It is owned by the State Highway Agency.