US Bridges

Csah 72 over Roseau River

Good

Roseau County, Minnesota · 0.5 MI E of JCT TH 89 · Structure no. 68520

Built
1971
54 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
165 ft
3 main spans
Daily traffic
2,912
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 72 over Roseau River is a steel continuous stringer/multi-beam or girder carrying Csah 72 over Roseau River in Roseau County, Minnesota. It was built in 1971, so it is 54 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 2,912 vehicles a day, projected to reach 3,350 by 2042. The structure is 165 ft (50.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 72
CrossesRoseau River
Location0.5 MI E of JCT TH 89
RouteCounty Highway 72
Coordinates48.84623, -95.76016
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.7 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.4 m)
Longest span60 ft (18.3 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,912 (2022)
Projected traffic3,350 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 72 over Roseau River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 72 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 72 over Roseau River carry?

About 2,912 vehicles per day (2022 count).

How long is Csah 72 over Roseau River?

The structure is 165 ft (50.4 m) long with a longest span of 60 ft (18.3 m) and a deck 54 ft wide.

Who owns Csah 72 over Roseau River?

It is owned by the County Highway Agency.