US Bridges

Mn 11 over Stream

Fair

Koochiching County, Minnesota · 1.4 MI E of S JCT TH 53 · Structure no. 5961

Built
1949
76 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
76 ft
3 main spans
Daily traffic
5,227
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 11 over Stream is a concrete slab carrying Mn 11 over Stream in Koochiching County, Minnesota. It was built in 1949, so it is 76 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 5,227 vehicles a day, roughly 5% of them trucks, projected to reach 5,100 by 2042. The structure is 76 ft (23.2 m) long and 38 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMn 11
CrossesStream
Location1.4 MI E of S JCT TH 53
RouteState Highway 11
CountyKoochiching County
StateMinnesota
Coordinates48.60176, -93.37324
Functional classUrban 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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.7 US tons
Inventory rating28.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length76 ft (23.2 m)
Longest span31 ft (9.3 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,227 (2022)
Projected traffic5,100 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 11 over Stream built?

It was built in 1949, making it 76 years old in 2025.

What condition is Mn 11 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 11 over Stream carry?

About 5,227 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mn 11 over Stream?

The structure is 76 ft (23.2 m) long with a longest span of 31 ft (9.3 m) and a deck 38 ft wide.

Who owns Mn 11 over Stream?

It is owned by the State Highway Agency.