US Bridges

CR 103 over Black River

Fair

Red Lake County, Minnesota · 1.2 MI W of JCT Csah 18 · Structure no. 93714

Built
1985
40 years old
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
60
2010 count
Owner
County
County Highway Agency

About this bridge

CR 103 over Black River is a concrete culvert carrying CR 103 over Black River in Red Lake County, Minnesota. It was built in 1985, so it is 40 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60 vehicles a day, projected to reach 60 by 2039. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 103
CrossesBlack River
Location1.2 MI W of JCT Csah 18
RouteCounty Highway 103
Coordinates47.90539, -96.40027
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 length31 ft (9.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2010)
Projected traffic60 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 103 over Black River built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 103 over Black River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2022.

How much traffic does CR 103 over Black River carry?

About 60 vehicles per day (2010 count).

How long is CR 103 over Black River?

The structure is 31 ft (9.3 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 103 over Black River?

It is owned by the County Highway Agency.