US Bridges

CR 53 over Caldwell Brook

Good

Koochiching County, Minnesota · 2.0 MI S; E of Csah 6 · Structure no. 36J10

Built
2003
22 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
25
2021 count
Owner
County
County Highway Agency

About this bridge

CR 53 over Caldwell Brook is a concrete culvert carrying CR 53 over Caldwell Brook in Koochiching County, Minnesota. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 35 by 2041. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 53
CrossesCaldwell Brook
Location2.0 MI S; E of Csah 6
RouteCounty Highway 53
CountyKoochiching County
StateMinnesota
Coordinates47.90388, -94.17968
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal 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 length22 ft (6.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic35 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR 53 over Caldwell Brook built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR 53 over Caldwell 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 September 2023.

How much traffic does CR 53 over Caldwell Brook carry?

About 25 vehicles per day (2021 count).

How long is CR 53 over Caldwell Brook?

The structure is 22 ft (6.6 m) long with a longest span of 8 ft (2.4 m).

Who owns CR 53 over Caldwell Brook?

It is owned by the County Highway Agency.