US Bridges

Csah 25 over Lower Tamarack River

Good

Pine County, Minnesota · 0.5 MI E of JCT Csah 24 · Structure no. 58J44

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
176
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Lower Tamarack River is a concrete culvert carrying Csah 25 over Lower Tamarack River in Pine 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 176 vehicles a day, projected to reach 247 by 2039. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 25
CrossesLower Tamarack River
Location0.5 MI E of JCT Csah 24
RouteCounty Highway 25
Coordinates46.09894, -92.49859
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176 (2019)
Projected traffic247 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 25 over Lower Tamarack River built?

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

What condition is Csah 25 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 November 2023.

How much traffic does Csah 25 over Lower Tamarack River carry?

About 176 vehicles per day (2019 count).

How long is Csah 25 over Lower Tamarack River?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 25 over Lower Tamarack River?

It is owned by the County Highway Agency.