US Bridges

M 846 over Tischers Creek

Fair

St. Louis County, Minnesota · 0.4 MI W of Woodland Ave · Structure no. L8513

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
526
1993 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 846 over Tischers Creek is a steel culvert carrying M 846 over Tischers Creek in St. Louis County, Minnesota. It was built in 1950, so it is 75 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 5 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 526 vehicles a day, projected to reach 526 by 2029. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 846
CrossesTischers Creek
Location0.4 MI W of Woodland Ave
RouteCity Street 846
Coordinates46.83047, -92.07377
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic526 (1993)
Projected traffic526 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 byCity or Municipal 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 M 846 over Tischers Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is M 846 over Tischers Creek 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 2023.

How much traffic does M 846 over Tischers Creek carry?

About 526 vehicles per day (1993 count).

How long is M 846 over Tischers Creek?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3.1 m).

Who owns M 846 over Tischers Creek?

It is owned by the City or Municipal Highway Agency.