Mn 57 over Mantorville Crk

Fair

Dodge County, Minnesota · 2.6 MI N of JCT TH 14 · Structure no. 97750

Built: 1996; 29 years old
Condition: Fair; inspected July 2023
Type: Culvert; Concrete
Length: 28 ft; 2 main spans
Daily traffic: 5,462; 2022 count
Owner: State; State Highway Agency

About this bridge

Mn 57 over Mantorville Crk is a concrete culvert carrying Mn 57 over Mantorville Crk in Dodge County, Minnesota. It was built in 1996, so it is 29 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 6 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 5,462 vehicles a day, roughly 2% of them trucks, projected to reach 6,600 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps

CarriesMn 57

CrossesMantorville Crk

Location2.6 MI N of JCT TH 14

RouteState Highway 57

CountyDodge County

StateMinnesota

Coordinates44.06365, -92.75405

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.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJuly 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating64.8 US tons

Inventory rating43.2 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans2

Design loadHS 25 or greater

Structure length28 ft (8.5 m)

Longest span10 ft (3.1 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,462 (2022)

Projected traffic6,600 by 2042

Trucks2%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed16.8 mi (27 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—

NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 57 over Mantorville Crk built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mn 57 over Mantorville Crk 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 July 2023.

How much traffic does Mn 57 over Mantorville Crk carry?

About 5,462 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Mn 57 over Mantorville Crk?

The structure is 28 ft (8.5 m) long with a longest span of 10 ft (3.1 m).

Who owns Mn 57 over Mantorville Crk?

It is owned by the State Highway Agency.