US Bridges

CR 666 over Railroad; Wyman Creek

Good

St. Louis County, Minnesota · 1.8 MI NE of JCT Csah 110 · Structure no. 69A84

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
212
2023 count
Owner
County
County Highway Agency

About this bridge

CR 666 over Railroad; Wyman Creek is a prestressed concrete stringer/multi-beam or girder carrying CR 666 over Railroad; Wyman Creek in St. Louis County, Minnesota. It was built in 2023, so it is 2 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 212 vehicles a day, projected to reach 212 by 2043. The structure is 240 ft (73.2 m) long and 35 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

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CarriesCR 666
CrossesRailroad; Wyman Creek
Location1.8 MI NE of JCT Csah 110
RouteCounty Highway 666
CountySt. Louis County
StateMinnesota
Coordinates47.53458, -92.11577
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
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 alignment7: Better than present minimum criteria
Operating rating54.2 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span135 ft (41.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2023)
Projected traffic212 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 666 over Railroad; Wyman Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is CR 666 over Railroad; Wyman Creek 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 July 2024.

How much traffic does CR 666 over Railroad; Wyman Creek carry?

About 212 vehicles per day (2023 count).

How long is CR 666 over Railroad; Wyman Creek?

The structure is 240 ft (73.2 m) long with a longest span of 135 ft (41.2 m) and a deck 35 ft wide.

Who owns CR 666 over Railroad; Wyman Creek?

It is owned by the County Highway Agency.