US Bridges

CR 275 over Platte River

Fair

Morrison County, Minnesota · 0.3 MI N of JCT Csah 51 · Structure no. 49J33

Built
2002
23 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
182
2022 count
Owner
County
County Highway Agency

About this bridge

CR 275 over Platte River is a concrete culvert carrying CR 275 over Platte River in Morrison County, Minnesota. It was built in 2002, so it is 23 years old, younger 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.

It carries about 182 vehicles a day, projected to reach 130 by 2042. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCR 275
CrossesPlatte River
Location0.3 MI N of JCT Csah 51
RouteCounty Highway 275
CountyMorrison County
StateMinnesota
Coordinates46.14643, -94.04008
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length37 ft (11.4 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182 (2022)
Projected traffic130 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 CR 275 over Platte River built?

It was built in 2002, making it 23 years old in 2025.

What condition is CR 275 over Platte 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 November 2024.

How much traffic does CR 275 over Platte River carry?

About 182 vehicles per day (2022 count).

How long is CR 275 over Platte River?

The structure is 37 ft (11.4 m) long with a longest span of 10 ft (3.1 m).

Who owns CR 275 over Platte River?

It is owned by the County Highway Agency.