US Bridges

Mn 61 over Baptism River; Park RD

Fair

Lake County, Minnesota · 1.1 MI SW of JCT TH 1 · Structure no. 38007

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
573 ft
4 main spans
Daily traffic
3,540
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 61 over Baptism River; Park RD is a steel continuous stringer/multi-beam or girder carrying Mn 61 over Baptism River; Park RD in Lake County, Minnesota. It was built in 1968, so it is 57 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 3,540 vehicles a day, roughly 11% of them trucks, projected to reach 3,550 by 2042. The structure is 573 ft (174.5 m) long and 57 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesMn 61
CrossesBaptism River; Park RD
Location1.1 MI SW of JCT TH 1
RouteState Highway 61
CountyLake County
StateMinnesota
Coordinates47.33748, -91.20025
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length573 ft (174.5 m)
Longest span155 ft (47.1 m)
Deck width57 ft (17.4 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,540 (2022)
Projected traffic3,550 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 61 over Baptism River; Park RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mn 61 over Baptism River; Park RD 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 August 2023.

How much traffic does Mn 61 over Baptism River; Park RD carry?

About 3,540 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Mn 61 over Baptism River; Park RD?

The structure is 573 ft (174.5 m) long with a longest span of 155 ft (47.1 m) and a deck 57 ft wide.

Who owns Mn 61 over Baptism River; Park RD?

It is owned by the State Highway Agency.