US Bridges

Mn 36 over Mcknight RD (csah 68)

Good

Ramsey County, Minnesota · 1.1 MI Sq JCT TH 36; 120 · Structure no. 62095

Built
2007
18 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
186 ft
2 main spans
Daily traffic
18,056
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 36 over Mcknight RD (csah 68) is a prestressed concrete stringer/multi-beam or girder carrying Mn 36 over Mcknight RD (csah 68) in Ramsey County, Minnesota. It was built in 2007, so it is 18 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 18,056 vehicles a day, roughly 7% of them trucks, projected to reach 19,250 by 2042. The structure is 186 ft (56.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMn 36
CrossesMcknight RD (csah 68)
Location1.1 MI Sq JCT TH 36; 120
RouteState Highway 36
CountyRamsey County
StateMinnesota
Coordinates45.01209, -93.00508
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.1 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length186 ft (56.7 m)
Longest span91 ft (27.8 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,056 (2022)
Projected traffic19,250 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 36 over Mcknight RD (csah 68) built?

It was built in 2007, making it 18 years old in 2025.

What condition is Mn 36 over Mcknight RD (csah 68) 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 August 2023.

How much traffic does Mn 36 over Mcknight RD (csah 68) carry?

About 18,056 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Mn 36 over Mcknight RD (csah 68)?

The structure is 186 ft (56.7 m) long with a longest span of 91 ft (27.8 m) and a deck 45 ft wide.

Who owns Mn 36 over Mcknight RD (csah 68)?

It is owned by the State Highway Agency.