US Bridges

Mn 23 over Stream

Good

Yellow Medicine County, Minnesota · 0.5 MI S of JCT TH 212 · Structure no. 87007

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
6,889
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Stream is a steel continuous stringer/multi-beam or girder carrying Mn 23 over Stream in Yellow Medicine County, Minnesota. It was built in 1978, so it is 47 years old, older 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 6,889 vehicles a day, roughly 15% of them trucks, projected to reach 7,200 by 2041. The structure is 133 ft (40.4 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 23
CrossesStream
Location0.5 MI S of JCT TH 212
RouteState Highway 23
Coordinates44.804, -95.54649
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span51 ft (15.5 m)
Deck width100 ft (30.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,889 (2021)
Projected traffic7,200 by 2041
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 23 over Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is Mn 23 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 October 2024.

How much traffic does Mn 23 over Stream carry?

About 6,889 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Mn 23 over Stream?

The structure is 133 ft (40.4 m) long with a longest span of 51 ft (15.5 m) and a deck 100 ft wide.

Who owns Mn 23 over Stream?

It is owned by the State Highway Agency.