US Bridges

Mn 194 over White Pine River

Fair

St. Louis County, Minnesota · 5.8 MI W of JCT TH 53 · Structure no. 2814

Built
1932
93 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
4,800
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 194 over White Pine River is a concrete culvert carrying Mn 194 over White Pine River in St. Louis County, Minnesota. It was built in 1932, so it is 93 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.

It carries about 4,800 vehicles a day, roughly 9% of them trucks, projected to reach 4,400 by 2039. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 194
CrossesWhite Pine River
Location5.8 MI W of JCT TH 53
RouteState Highway 194
Coordinates46.84331, -92.37959
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2019)
Projected traffic4,400 by 2039
Trucks9%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$52 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 194 over White Pine River built?

It was built in 1932, making it 93 years old in 2025.

What condition is Mn 194 over White Pine 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 Mn 194 over White Pine River carry?

About 4,800 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Mn 194 over White Pine River?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.3 m).

Who owns Mn 194 over White Pine River?

It is owned by the State Highway Agency.