US Bridges

Csah 24 over Clearwater River

Good

Red Lake County, Minnesota · 0.5 MI W of JCT TH 59 · Structure no. 63511

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
170
2014 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Clearwater River is a concrete continuous slab carrying Csah 24 over Clearwater River in Red Lake County, Minnesota. It was built in 1996, so it is 29 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 170 vehicles a day, projected to reach 170 by 2039. The structure is 137 ft (41.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 24
CrossesClearwater River
Location0.5 MI W of JCT TH 59
RouteCounty Highway 24
Coordinates47.91142, -96.04942
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.7 US tons
Inventory rating60.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length137 ft (41.7 m)
Longest span54 ft (16.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2014)
Projected traffic170 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 24 over Clearwater River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Csah 24 over Clearwater 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 October 2023.

How much traffic does Csah 24 over Clearwater River carry?

About 170 vehicles per day (2014 count).

How long is Csah 24 over Clearwater River?

The structure is 137 ft (41.7 m) long with a longest span of 54 ft (16.5 m) and a deck 35 ft wide.

Who owns Csah 24 over Clearwater River?

It is owned by the County Highway Agency.