US Bridges

Csah 24 over Tamarack River

Fair

Pine County, Minnesota · 0.1 MI S of JCT Csah 30 · Structure no. 58J09

Built
2002
23 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
132
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Tamarack River is a concrete culvert carrying Csah 24 over Tamarack River in Pine County, Minnesota. It was built in 2002, so it is 23 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 132 vehicles a day, projected to reach 90 by 2041. The structure is 26 ft (8 m) long. If it were closed, the detour would be 26.1 mi (42 km).

CarriesCsah 24
CrossesTamarack River
Location0.1 MI S of JCT Csah 30
RouteCounty Highway 24
Coordinates46.12596, -92.50871
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 spans2
Design loadHS 25 or greater
Structure length26 ft (8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2021)
Projected traffic90 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Tamarack River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Csah 24 over Tamarack River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Csah 24 over Tamarack River carry?

About 132 vehicles per day (2021 count).

How long is Csah 24 over Tamarack River?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3 m).

Who owns Csah 24 over Tamarack River?

It is owned by the County Highway Agency.