US Bridges

CR 741 over ST Louis River

Good

St. Louis County, Minnesota · 1.0 MI E of JCT Csah 5 · Structure no. 69539

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
328 ft
4 main spans
Daily traffic
55
2015 count
Owner
County
County Highway Agency

About this bridge

CR 741 over ST Louis River is a prestressed concrete stringer/multi-beam or girder carrying CR 741 over ST Louis River in St. Louis County, Minnesota. It was built in 1990, so it is 35 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 55 vehicles a day, projected to reach 55 by 2039. The structure is 328 ft (100.1 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCR 741
CrossesST Louis River
Location1.0 MI E of JCT Csah 5
RouteCounty Highway 741
Coordinates47.10919, -92.77111
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.7 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length328 ft (100.1 m)
Longest span86 ft (26.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2015)
Projected traffic55 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 741 over ST Louis River built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 741 over ST Louis River 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 2024.

How much traffic does CR 741 over ST Louis River carry?

About 55 vehicles per day (2015 count).

How long is CR 741 over ST Louis River?

The structure is 328 ft (100.1 m) long with a longest span of 86 ft (26.3 m) and a deck 31 ft wide.

Who owns CR 741 over ST Louis River?

It is owned by the County Highway Agency.