US Bridges

Mn 175 over Mid Br Two Rivers

Fair

Kittson County, Minnesota · 0.5 MI E of JCT TH 75 · Structure no. 35006

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
248 ft
3 main spans
Daily traffic
1,250
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 175 over Mid Br Two Rivers is a steel continuous stringer/multi-beam or girder carrying Mn 175 over Mid Br Two Rivers in Kittson County, Minnesota. It was built in 1986, so it is 39 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 5 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 1,250 vehicles a day, roughly 15% of them trucks, projected to reach 1,250 by 2039. The structure is 248 ft (75.5 m) long and 57 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesMn 175
CrossesMid Br Two Rivers
Location0.5 MI E of JCT TH 75
RouteState Highway 175
Coordinates48.77554, -96.93751
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length248 ft (75.5 m)
Longest span92 ft (28 m)
Deck width57 ft (17.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2019)
Projected traffic1,250 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed49.1 mi (79 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 Mn 175 over Mid Br Two Rivers built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mn 175 over Mid Br Two Rivers 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 Mn 175 over Mid Br Two Rivers carry?

About 1,250 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Mn 175 over Mid Br Two Rivers?

The structure is 248 ft (75.5 m) long with a longest span of 92 ft (28 m) and a deck 57 ft wide.

Who owns Mn 175 over Mid Br Two Rivers?

It is owned by the State Highway Agency.