US Bridges

Mn 56 over Railroad

Good

Dodge County, Minnesota · 0.1 MI N of JCT US 14 · Structure no. 20021

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
2 main spans
Daily traffic
1,601
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 56 over Railroad is a prestressed concrete stringer/multi-beam or girder carrying Mn 56 over Railroad in Dodge County, Minnesota. It was built in 2021, so it is 4 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 1,601 vehicles a day, roughly 18% of them trucks, projected to reach 4,690 by 2042. The structure is 213 ft (64.9 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMn 56
CrossesRailroad
Location0.1 MI N of JCT US 14
RouteState Highway 56
Coordinates44.03536, -92.91454
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length213 ft (64.9 m)
Longest span136 ft (41.5 m)
Deck width53 ft (16.2 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,601 (2022)
Projected traffic4,690 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 56 over Railroad built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mn 56 over Railroad 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 October 2023.

How much traffic does Mn 56 over Railroad carry?

About 1,601 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Mn 56 over Railroad?

The structure is 213 ft (64.9 m) long with a longest span of 136 ft (41.5 m) and a deck 53 ft wide.

Who owns Mn 56 over Railroad?

It is owned by the State Highway Agency.