US Bridges

US 75 over Lac Qui Parle River

Fair

Yellow Medicine County, Minnesota · 3.3 MI S of JCT TH 68 · Structure no. 87018

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
1,260
2022 count
Owner
State
State Highway Agency

About this bridge

US 75 over Lac Qui Parle River is a prestressed concrete stringer/multi-beam or girder carrying US 75 over Lac Qui Parle River in Yellow Medicine County, Minnesota. It was built in 1997, so it is 28 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 1,260 vehicles a day, roughly 17% of them trucks, projected to reach 870 by 2042. The structure is 108 ft (33 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 75
CrossesLac Qui Parle River
Location3.3 MI S of JCT TH 68
RouteU.S. Route 75
Coordinates44.66322, -96.27675
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.8 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length108 ft (33 m)
Longest span103 ft (31.5 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,260 (2022)
Projected traffic870 by 2042
Trucks17%
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

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 US 75 over Lac Qui Parle River built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 75 over Lac Qui Parle 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 October 2023.

How much traffic does US 75 over Lac Qui Parle River carry?

About 1,260 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is US 75 over Lac Qui Parle River?

The structure is 108 ft (33 m) long with a longest span of 103 ft (31.5 m) and a deck 47 ft wide.

Who owns US 75 over Lac Qui Parle River?

It is owned by the State Highway Agency.