US Bridges

Undetermined RD over Creek

PoorPosted for load

St. Louis County, Minnesota · In Biwabik · Structure no. L8794

Built
1921
104 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
1
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Undetermined RD over Creek is a concrete culvert carrying Undetermined RD over Creek in St. Louis County, Minnesota. It was built in 1921, so it is 104 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1 vehicles a day, projected to reach 1 by 2029. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUndetermined RD
CrossesCreek
LocationIn Biwabik
CountySt. Louis County
StateMinnesota
Coordinates47.53703, -92.31426
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.8 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2009)
Projected traffic1 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$350 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Undetermined RD over Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is Undetermined RD over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Undetermined RD over Creek carry?

About 1 vehicles per day (2009 count).

How long is Undetermined RD over Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m).

Who owns Undetermined RD over Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.