US Bridges

M 361 over Miller Creek

Fair

St. Louis County, Minnesota · 0.3 MI N of 3rd ST · Structure no. 69679

Built
2011
14 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
220
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 361 over Miller Creek is a concrete slab carrying M 361 over Miller Creek in St. Louis County, Minnesota. It was built in 2011, so it is 14 years old, younger 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 220 vehicles a day, roughly 5% of them trucks, projected to reach 264 by 2031. The structure is 26 ft (8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 361
CrossesMiller Creek
Location0.3 MI N of 3rd ST
RouteCity Street 361
Coordinates46.76691, -92.13705
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.5 US tons
Inventory rating42.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2011)
Projected traffic264 by 2031
Trucks5%
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 361 over Miller Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is M 361 over Miller 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 2024.

How much traffic does M 361 over Miller Creek carry?

About 220 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is M 361 over Miller Creek?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns M 361 over Miller Creek?

It is owned by the City or Municipal Highway Agency.