US Bridges

CR 55 over Black River

Good

Pennington County, Minnesota · 0.2 MI E of JCT CR 66 · Structure no. 57J38

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
30
2011 count
Owner
County
County Highway Agency

About this bridge

CR 55 over Black River is a concrete culvert carrying CR 55 over Black River in Pennington County, Minnesota. It was built in 2016, so it is 9 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 30 vehicles a day, projected to reach 48 by 2031. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 55
CrossesBlack River
Location0.2 MI E of JCT CR 66
RouteCounty Highway 55
Coordinates48.00686, -96.43495
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 inspectionOctober 2024
Inspection intervalevery 48 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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.9 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2011)
Projected traffic48 by 2031
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 55 over Black River built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 55 over Black 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 October 2024.

How much traffic does CR 55 over Black River carry?

About 30 vehicles per day (2011 count).

How long is CR 55 over Black River?

The structure is 29 ft (8.9 m) long with a longest span of 13 ft (3.9 m).

Who owns CR 55 over Black River?

It is owned by the County Highway Agency.