US Bridges

Mn 61 over Conveyer

Fair

Lake County, Minnesota · 2.8 MI NE of JCT Csah 4 · Structure no. 8788

Built
1952
73 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
4,217
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 61 over Conveyer is a concrete culvert carrying Mn 61 over Conveyer in Lake County, Minnesota. It was built in 1952, so it is 73 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 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 4,217 vehicles a day, roughly 11% of them trucks, projected to reach 4,700 by 2042. The structure is 28 ft (8.5 m) long.

CarriesMn 61
CrossesConveyer
Location2.8 MI NE of JCT Csah 4
RouteState Highway 61
Coordinates47.28698, -91.26529
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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,217 (2022)
Projected traffic4,700 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 61 over Conveyer built?

It was built in 1952, making it 73 years old in 2025.

What condition is Mn 61 over Conveyer 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 May 2023.

How much traffic does Mn 61 over Conveyer carry?

About 4,217 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Mn 61 over Conveyer?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 61 over Conveyer?

It is owned by the State Highway Agency.