US Bridges

Mn 23 over Deer Creek

Good

Carlton County, Minnesota · 9.5 MI NE of So Cnty Line · Structure no. 09020

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
159 ft
1 main span
Daily traffic
757
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Deer Creek is a prestressed concrete stringer/multi-beam or girder carrying Mn 23 over Deer Creek in Carlton County, Minnesota. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 757 vehicles a day, roughly 6% of them trucks, projected to reach 600 by 2042. The structure is 159 ft (48.5 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMn 23
CrossesDeer Creek
Location9.5 MI NE of So Cnty Line
RouteState Highway 23
Coordinates46.5245, -92.3888
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating64.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length159 ft (48.5 m)
Longest span159 ft (48.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic757 (2022)
Projected traffic600 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 23 over Deer Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Mn 23 over Deer Creek 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 November 2024.

How much traffic does Mn 23 over Deer Creek carry?

About 757 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Mn 23 over Deer Creek?

The structure is 159 ft (48.5 m) long with a longest span of 159 ft (48.5 m) and a deck 43 ft wide.

Who owns Mn 23 over Deer Creek?

It is owned by the State Highway Agency.