US Bridges

CR 872 over Bear Trap River

Fair

St. Louis County, Minnesota · 0.3 MI N of JCT CR 871 · Structure no. 93375

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
30
2011 count
Owner
County
County Highway Agency

About this bridge

CR 872 over Bear Trap River is a concrete culvert carrying CR 872 over Bear Trap River in St. Louis County, Minnesota. It was built in 1978, so it is 47 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 30 vehicles a day, projected to reach 30 by 2039. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 872
CrossesBear Trap River
Location0.3 MI N of JCT CR 871
RouteCounty Highway 872
Coordinates46.87058, -92.49152
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2011)
Projected traffic30 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 872 over Bear Trap River built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 872 over Bear Trap 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 June 2024.

How much traffic does CR 872 over Bear Trap River carry?

About 30 vehicles per day (2011 count).

How long is CR 872 over Bear Trap River?

The structure is 26 ft (7.8 m) long with a longest span of 10 ft (2.9 m).

Who owns CR 872 over Bear Trap River?

It is owned by the County Highway Agency.