US Bridges

CR 523 over Stream

Good

St. Louis County, Minnesota · 0.3 MI E of JCT Csah 123 · Structure no. 69A55

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
169
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

CR 523 over Stream is a prestressed concrete stringer/multi-beam or girder carrying CR 523 over Stream in St. Louis County, Minnesota. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 169 vehicles a day, projected to reach 203 by 2036. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

Open in Google Maps
CarriesCR 523
CrossesStream
Location0.3 MI E of JCT Csah 123
RouteCounty Highway 523
CountySt. Louis County
StateMinnesota
Coordinates48.43901, -93.02221
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span48 ft (14.5 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2016)
Projected traffic203 by 2036
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 CR 523 over Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is CR 523 over 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 September 2023.

How much traffic does CR 523 over Stream carry?

About 169 vehicles per day (2016 count).

How long is CR 523 over Stream?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.5 m) and a deck 36 ft wide.

Who owns CR 523 over Stream?

It is owned by the Town or Township Highway Agency.