US Bridges

Mn 74 over Stream

Fair

Winona County, Minnesota · 3.0 MI S of JCT TH 90 · Structure no. 8744

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,198
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 74 over Stream is a concrete culvert carrying Mn 74 over Stream in Winona County, Minnesota. It was built in 1950, so it is 75 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 1,198 vehicles a day, roughly 15% of them trucks, projected to reach 1,250 by 2042. The structure is 26 ft (8 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMn 74
CrossesStream
Location3.0 MI S of JCT TH 90
RouteState Highway 74
Coordinates43.91135, -92.06973
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans2
Design loadH 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,198 (2022)
Projected traffic1,250 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$91 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 74 over Stream built?

It was built in 1950, making it 75 years old in 2025.

What condition is Mn 74 over Stream 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 June 2024.

How much traffic does Mn 74 over Stream carry?

About 1,198 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Mn 74 over Stream?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 74 over Stream?

It is owned by the State Highway Agency.