US Bridges

Mn 30 over Mill Creek

Good

Olmsted County, Minnesota · 0.1 MI W of N JCT TH 52 · Structure no. 55082

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
1,046
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 30 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Mn 30 over Mill Creek in Olmsted County, Minnesota. It was built in 2023, so it is 2 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 1,046 vehicles a day, roughly 9% of them trucks, projected to reach 1,230 by 2042. The structure is 143 ft (43.5 m) long and 54 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 30
CrossesMill Creek
Location0.1 MI W of N JCT TH 52
RouteState Highway 30
Coordinates43.85124, -92.19486
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
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 evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length143 ft (43.5 m)
Longest span55 ft (16.7 m)
Deck width54 ft (16.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,046 (2022)
Projected traffic1,230 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 30 over Mill Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Mn 30 over Mill Creek 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 Mill Creek carry?

About 1,046 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Mn 30 over Mill Creek?

The structure is 143 ft (43.5 m) long with a longest span of 55 ft (16.7 m) and a deck 54 ft wide.

Who owns Mn 30 over Mill Creek?

It is owned by the State Highway Agency.