US Bridges

Csah 24 over Cn Railroad

Good

Koochiching County, Minnesota · 2.5 MI E JCT TH 53 · Structure no. 36534

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
263 ft
3 main spans
Daily traffic
530
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Cn Railroad is a concrete stringer/multi-beam or girder carrying Csah 24 over Cn Railroad in Koochiching County, Minnesota. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 530 vehicles a day, projected to reach 710 by 2043. The structure is 263 ft (80.2 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCsah 24
CrossesCn Railroad
Location2.5 MI E JCT TH 53
RouteCounty Highway 24
Coordinates48.56886, -93.33973
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating47.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length263 ft (80.2 m)
Longest span121 ft (36.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2016)
Projected traffic710 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 24 over Cn Railroad built?

It was built in 2023, making it 2 years old in 2025.

What condition is Csah 24 over Cn Railroad 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 December 2023.

How much traffic does Csah 24 over Cn Railroad carry?

About 530 vehicles per day (2016 count).

How long is Csah 24 over Cn Railroad?

The structure is 263 ft (80.2 m) long with a longest span of 121 ft (36.9 m) and a deck 43 ft wide.

Who owns Csah 24 over Cn Railroad?

It is owned by the County Highway Agency.