US Bridges

Mn 3 over UP RR

Fair

Rice County, Minnesota · 0.3 MI N of N JCT TH 19 · Structure no. 66001

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
3 main spans
Daily traffic
16,400
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 3 over UP RR is a steel continuous stringer/multi-beam or girder carrying Mn 3 over UP RR in Rice County, Minnesota. It was built in 1965, so it is 60 years old, older 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 16,400 vehicles a day, roughly 4% of them trucks, projected to reach 15,500 by 2038. The structure is 264 ft (80.5 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 3
CrossesUP RR
Location0.3 MI N of N JCT TH 19
RouteState Highway 3
Coordinates44.4623, -93.16099
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span110 ft (33.4 m)
Deck width61 ft (18.7 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2018)
Projected traffic15,500 by 2038
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 3 over UP RR built?

It was built in 1965, making it 60 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 June 2023.

How much traffic does Mn 3 over UP RR carry?

About 16,400 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Mn 3 over UP RR?

The structure is 264 ft (80.5 m) long with a longest span of 110 ft (33.4 m) and a deck 61 ft wide.

Who owns Mn 3 over UP RR?

It is owned by the State Highway Agency.