US Bridges

Mn 30 over Stream

Good

Dodge County, Minnesota · 2.9 MI W of JCT Csah 3 · Structure no. 20014

Built
2016
9 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
1,454
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 30 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Mn 30 over Stream in Dodge County, Minnesota. It was built in 2016, so it is 9 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 1,454 vehicles a day, roughly 31% of them trucks, projected to reach 1,750 by 2042. The structure is 93 ft (28.2 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMn 30
CrossesStream
Location2.9 MI W of JCT Csah 3
RouteState Highway 30
Coordinates43.89208, -92.69586
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating62.5 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length93 ft (28.2 m)
Longest span90 ft (27.5 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,454 (2022)
Projected traffic1,750 by 2042
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 30 over Stream built?

It was built in 2016, making it 9 years old in 2025.

What condition is Mn 30 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 May 2024.

How much traffic does Mn 30 over Stream carry?

About 1,454 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is Mn 30 over Stream?

The structure is 93 ft (28.2 m) long with a longest span of 90 ft (27.5 m) and a deck 39 ft wide.

Who owns Mn 30 over Stream?

It is owned by the State Highway Agency.