US Bridges

CR 615 over Spring Ridge Creek

Good

St. Louis County, Minnesota · 0.1 MI W of JCT CR 620 · Structure no. 69J87

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
265
2011 count
Owner
County
County Highway Agency

About this bridge

CR 615 over Spring Ridge Creek is a concrete culvert carrying CR 615 over Spring Ridge Creek in St. Louis County, Minnesota. It was built in 2012, so it is 13 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 265 vehicles a day, projected to reach 94 by 2032. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 615
CrossesSpring Ridge Creek
Location0.1 MI W of JCT CR 620
RouteCounty Highway 615
Coordinates47.66521, -92.05654
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.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 loadUnknown
Structure length30 ft (9.2 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2011)
Projected traffic94 by 2032
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 CR 615 over Spring Ridge Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is CR 615 over Spring Ridge Creek 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 May 2023.

How much traffic does CR 615 over Spring Ridge Creek carry?

About 265 vehicles per day (2011 count).

How long is CR 615 over Spring Ridge Creek?

The structure is 30 ft (9.2 m) long with a longest span of 12 ft (3.8 m).

Who owns CR 615 over Spring Ridge Creek?

It is owned by the County Highway Agency.