US Bridges

Csah 24 over Lower Tamarack River

Good

Pine County, Minnesota · 0.4 MI S of JCT Csah 32 · Structure no. 58J27

Built
2010
15 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
64
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Lower Tamarack River is a concrete culvert carrying Csah 24 over Lower Tamarack River in Pine County, Minnesota. It was built in 2010, so it is 15 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 64 vehicles a day, projected to reach 30 by 2041. The structure is 49 ft (14.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCsah 24
CrossesLower Tamarack River
Location0.4 MI S of JCT Csah 32
RouteCounty Highway 24
Coordinates46.1802, -92.509
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length49 ft (14.8 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2021)
Projected traffic30 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Lower Tamarack River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Csah 24 over Lower Tamarack 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 September 2021.

How much traffic does Csah 24 over Lower Tamarack River carry?

About 64 vehicles per day (2021 count).

How long is Csah 24 over Lower Tamarack River?

The structure is 49 ft (14.8 m) long with a longest span of 15 ft (4.5 m).

Who owns Csah 24 over Lower Tamarack River?

It is owned by the County Highway Agency.