US Bridges

Csah 25 over N Fk Bradbury Brook

Good

Mille Lacs County, Minnesota · 3.1 MI W of JCT Csah 22 · Structure no. 48J21

Built
2008
17 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
335
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over N Fk Bradbury Brook is a concrete culvert carrying Csah 25 over N Fk Bradbury Brook in Mille Lacs County, Minnesota. It was built in 2008, so it is 17 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 335 vehicles a day, projected to reach 300 by 2038. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 25
CrossesN Fk Bradbury Brook
Location3.1 MI W of JCT Csah 22
RouteCounty Highway 25
Coordinates46.05509, -93.74036
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length37 ft (11.2 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic335 (2018)
Projected traffic300 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 25 over N Fk Bradbury Brook built?

It was built in 2008, making it 17 years old in 2025.

What condition is Csah 25 over N Fk Bradbury Brook 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 2021.

How much traffic does Csah 25 over N Fk Bradbury Brook carry?

About 335 vehicles per day (2018 count).

How long is Csah 25 over N Fk Bradbury Brook?

The structure is 37 ft (11.2 m) long with a longest span of 17 ft (5.2 m).

Who owns Csah 25 over N Fk Bradbury Brook?

It is owned by the County Highway Agency.