US Bridges

Mn 43 over Stream

Good

Fillmore County, Minnesota · 2.4 MI N of N JCT TH 16 · Structure no. 23016

Built
1993
32 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
2,840
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 43 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Mn 43 over Stream in Fillmore County, Minnesota. It was built in 1993, so it is 32 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,840 vehicles a day, roughly 11% of them trucks, projected to reach 2,800 by 2042. The structure is 135 ft (41.2 m) long and 46 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesMn 43
CrossesStream
Location2.4 MI N of N JCT TH 16
RouteState Highway 43
Coordinates43.83558, -91.76099
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length135 ft (41.2 m)
Longest span128 ft (39 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,840 (2022)
Projected traffic2,800 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 43 over Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mn 43 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Mn 43 over Stream carry?

About 2,840 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Mn 43 over Stream?

The structure is 135 ft (41.2 m) long with a longest span of 128 ft (39 m) and a deck 46 ft wide.

Who owns Mn 43 over Stream?

It is owned by the State Highway Agency.