US Bridges

M 1884 over Unnamed Stream

Good

St. Louis County, Minnesota · 270 Ft S of JCT I 35 · Structure no. 69X09

Built
2011
14 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
1
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 1884 over Unnamed Stream is a concrete culvert carrying M 1884 over Unnamed Stream 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1 vehicles a day, projected to reach 1 by 2031. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesM 1884
CrossesUnnamed Stream
Location270 Ft S of JCT I 35
RouteCity Street 1884
Coordinates46.73942, -92.15796
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length31 ft (9.6 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2011)
Projected traffic1 by 2031
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M 1884 over Unnamed Stream built?

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

What condition is M 1884 over Unnamed Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does M 1884 over Unnamed Stream carry?

About 1 vehicles per day (2011 count).

How long is M 1884 over Unnamed Stream?

The structure is 31 ft (9.6 m) long with a longest span of 14 ft (4.2 m).

Who owns M 1884 over Unnamed Stream?

It is owned by the City or Municipal Highway Agency.