US Bridges

Csah 28 over Roseau River

FairPosted for load

Roseau County, Minnesota · 1.7 MI E of JCT TH 310 · Structure no. 68502

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
3 main spans
Daily traffic
169
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 28 over Roseau River is a steel continuous stringer/multi-beam or girder carrying Csah 28 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 169 vehicles a day, projected to reach 235 by 2042. The structure is 160 ft (48.8 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 28
CrossesRoseau River
Location1.7 MI E of JCT TH 310
RouteCounty Highway 28
CountyRoseau County
StateMinnesota
Coordinates48.89121, -95.73087
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length160 ft (48.8 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2022)
Projected traffic235 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 28 over Roseau River built?

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

What condition is Csah 28 over Roseau 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 28 over Roseau River carry?

About 169 vehicles per day (2022 count).

How long is Csah 28 over Roseau River?

The structure is 160 ft (48.8 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Csah 28 over Roseau River?

It is owned by the County Highway Agency.