US Bridges

Mn 30 over Stream

Good

Olmsted County, Minnesota · 1.3 MI E of JCT Mn 63 · Structure no. 55X10

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,738
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 30 over Stream is a concrete culvert carrying Mn 30 over Stream in Olmsted County, Minnesota. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,738 vehicles a day, roughly 13% of them trucks, projected to reach 1,750 by 2042. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 30
CrossesStream
Location1.3 MI E of JCT Mn 63
RouteState Highway 30
Coordinates43.85556, -92.46161
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,738 (2022)
Projected traffic1,750 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 2007, making it 18 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 1,738 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Mn 30 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 30 over Stream?

It is owned by the State Highway Agency.