US Bridges

Csah 1 over Midway River

Good

Carlton County, Minnesota · 0.3 MI N of JCT Csah 61 · Structure no. 09533

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
2,050
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Midway River is a concrete continuous slab carrying Csah 1 over Midway River 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 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 2,050 vehicles a day, projected to reach 3,923 by 2038. The structure is 97 ft (29.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesMidway River
Location0.3 MI N of JCT Csah 61
RouteCounty Highway 1
CountyCarlton County
StateMinnesota
Coordinates46.71186, -92.3652
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.7 US tons
Inventory rating58.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length97 ft (29.5 m)
Longest span37 ft (11.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2018)
Projected traffic3,923 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over Midway River built?

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

What condition is Csah 1 over Midway River 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 June 2023.

How much traffic does Csah 1 over Midway River carry?

About 2,050 vehicles per day (2018 count).

How long is Csah 1 over Midway River?

The structure is 97 ft (29.5 m) long with a longest span of 37 ft (11.3 m) and a deck 43 ft wide.

Who owns Csah 1 over Midway River?

It is owned by the County Highway Agency.