US Bridges

Mn 13 over Stream

Fair

Freeborn County, Minnesota · 1.83 MI N of JCT TH 69 · Structure no. 91199

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
4,176
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 13 over Stream is a concrete culvert carrying Mn 13 over Stream in Freeborn County, Minnesota. It was built in 1969, so it is 56 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 4,176 vehicles a day, roughly 7% of them trucks, projected to reach 3,400 by 2042. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMn 13
CrossesStream
Location1.83 MI N of JCT TH 69
RouteState Highway 13
CountyFreeborn County
StateMinnesota
Coordinates43.67026, -93.40301
Functional classUrban 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.
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 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 loadHS 20
Structure length31 ft (9.3 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,176 (2022)
Projected traffic3,400 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 13 over Stream built?

It was built in 1969, making it 56 years old in 2025.

What condition is Mn 13 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 September 2023.

How much traffic does Mn 13 over Stream carry?

About 4,176 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Mn 13 over Stream?

The structure is 31 ft (9.3 m) long with a longest span of 13 ft (3.9 m).

Who owns Mn 13 over Stream?

It is owned by the State Highway Agency.