US Bridges

Mn 56 over US 14

Good

Dodge County, Minnesota · At the JCT TH 56 · Structure no. 20010

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
2 main spans
Daily traffic
3,800
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 56 over US 14 is a prestressed concrete stringer/multi-beam or girder carrying Mn 56 over US 14 in Dodge County, Minnesota. It was built in 1998, so it is 27 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,800 vehicles a day, roughly 8% of them trucks, projected to reach 3,700 by 2039. The structure is 210 ft (64 m) long and 75 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMn 56
CrossesUS 14
LocationAt the JCT TH 56
RouteState Highway 56
Coordinates44.01837, -92.85922
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.1 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length210 ft (64 m)
Longest span103 ft (31.3 m)
Deck width75 ft (23 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2019)
Projected traffic3,700 by 2039
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 56 over US 14 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Mn 56 over US 14 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 July 2023.

How much traffic does Mn 56 over US 14 carry?

About 3,800 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Mn 56 over US 14?

The structure is 210 ft (64 m) long with a longest span of 103 ft (31.3 m) and a deck 75 ft wide.

Who owns Mn 56 over US 14?

It is owned by the State Highway Agency.