US Bridges

Csah 65 over Sturgeon River

Good

St. Louis County, Minnesota · 1.4 MI W of JCT Mn 73 · Structure no. 69A83

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
60
2011 count
Owner
County
County Highway Agency

About this bridge

Csah 65 over Sturgeon River is a prestressed concrete stringer/multi-beam or girder carrying Csah 65 over Sturgeon River in St. Louis County, Minnesota. It was built in 2022, so it is 3 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 60 vehicles a day, projected to reach 70 by 2031. The structure is 119 ft (36.3 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCsah 65
CrossesSturgeon River
Location1.4 MI W of JCT Mn 73
RouteCounty Highway 65
Coordinates47.67466, -92.89664
Functional classRural Minor Collector

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 inspectionSeptember 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 rating63.6 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length119 ft (36.3 m)
Longest span117 ft (35.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2011)
Projected traffic70 by 2031
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Csah 65 over Sturgeon River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Csah 65 over Sturgeon 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 Csah 65 over Sturgeon River carry?

About 60 vehicles per day (2011 count).

How long is Csah 65 over Sturgeon River?

The structure is 119 ft (36.3 m) long with a longest span of 117 ft (35.6 m) and a deck 31 ft wide.

Who owns Csah 65 over Sturgeon River?

It is owned by the County Highway Agency.