US Bridges

Mn 76 over Stream

Fair

Houston County, Minnesota · 5.1 MI N of Iowa Line · Structure no. 6728

Built
1954
71 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
1,478
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 76 over Stream is a concrete culvert carrying Mn 76 over Stream in Houston County, Minnesota. It was built in 1954, so it is 71 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 1,478 vehicles a day, roughly 15% of them trucks, projected to reach 1,650 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesMn 76
CrossesStream
Location5.1 MI N of Iowa Line
RouteState Highway 76
CountyHouston County
StateMinnesota
Coordinates43.56219, -91.51361
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,478 (2022)
Projected traffic1,650 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$102 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 76 over Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is Mn 76 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 May 2024.

How much traffic does Mn 76 over Stream carry?

About 1,478 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Mn 76 over Stream?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m).

Who owns Mn 76 over Stream?

It is owned by the State Highway Agency.