US Bridges

Mn 3 over UP RR

Fair

Rice County, Minnesota · 2.7 MI NE JCT Mn 21 · Structure no. 66002

Built
2008
17 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
303 ft
2 main spans
Daily traffic
7,215
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 3 over UP RR is a prestressed concrete stringer/multi-beam or girder carrying Mn 3 over UP RR in Rice County, Minnesota. It was built in 2008, so it is 17 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,215 vehicles a day, roughly 8% of them trucks, projected to reach 7,500 by 2042. The structure is 303 ft (92.3 m) long and 51 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMn 3
CrossesUP RR
Location2.7 MI NE JCT Mn 21
RouteState Highway 3
CountyRice County
StateMinnesota
Coordinates44.33433, -93.26189
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.8 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length303 ft (92.3 m)
Longest span143 ft (43.7 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,215 (2022)
Projected traffic7,500 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 3 over UP RR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mn 3 over UP RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Mn 3 over UP RR carry?

About 7,215 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Mn 3 over UP RR?

The structure is 303 ft (92.3 m) long with a longest span of 143 ft (43.7 m) and a deck 51 ft wide.

Who owns Mn 3 over UP RR?

It is owned by the State Highway Agency.