US Bridges

Mn 16 over Stream

Fair

Fillmore County, Minnesota · 2.7 MI W of JCT Csah 25 · Structure no. 4730

Built
1928
97 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
796
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 16 over Stream is a concrete culvert carrying Mn 16 over Stream in Fillmore County, Minnesota. It was built in 1928, so it is 97 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 796 vehicles a day, roughly 10% of them trucks, projected to reach 890 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesMn 16
CrossesStream
Location2.7 MI W of JCT Csah 25
RouteState Highway 16
Coordinates43.77831, -91.86262
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 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 spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic796 (2022)
Projected traffic890 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 16 over Stream built?

It was built in 1928, making it 97 years old in 2025.

What condition is Mn 16 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 August 2024.

How much traffic does Mn 16 over Stream carry?

About 796 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Mn 16 over Stream?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3.2 m).

Who owns Mn 16 over Stream?

It is owned by the State Highway Agency.