US Bridges

Csah 3 over Roseau River

GoodPosted for load

Roseau County, Minnesota · 0.4 MI N of JCT Csah 10 · Structure no. 68503

Built
1962
63 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
3 main spans
Daily traffic
85
2008 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Roseau River is a steel continuous stringer/multi-beam or girder carrying Csah 3 over Roseau River in Roseau County, Minnesota. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 85 vehicles a day, projected to reach 75 by 2029. The structure is 161 ft (49.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 3
CrossesRoseau River
Location0.4 MI N of JCT Csah 10
RouteCounty Highway 3
Coordinates48.9113, -96.00719
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length161 ft (49.2 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2008)
Projected traffic75 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 3 over Roseau River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Csah 3 over Roseau 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 2024.

How much traffic does Csah 3 over Roseau River carry?

About 85 vehicles per day (2008 count).

How long is Csah 3 over Roseau River?

The structure is 161 ft (49.2 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Csah 3 over Roseau River?

It is owned by the County Highway Agency.