US Bridges

Csah 95 over ST Louis River

Fair

St. Louis County, Minnesota · 0.8 MI W of JCT Csah 108 · Structure no. 69510

Built
1978
47 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
248 ft
4 main spans
Daily traffic
60
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 95 over ST Louis River is a steel continuous stringer/multi-beam or girder carrying Csah 95 over ST Louis River in St. Louis County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60 vehicles a day, projected to reach 70 by 2039. The structure is 248 ft (75.6 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 95
CrossesST Louis River
Location0.8 MI W of JCT Csah 108
RouteCounty Highway 95
Coordinates47.40083, -92.37748
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span67 ft (20.3 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2019)
Projected traffic70 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Csah 95 over ST Louis River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 95 over ST Louis River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Csah 95 over ST Louis River carry?

About 60 vehicles per day (2019 count).

How long is Csah 95 over ST Louis River?

The structure is 248 ft (75.6 m) long with a longest span of 67 ft (20.3 m) and a deck 36 ft wide.

Who owns Csah 95 over ST Louis River?

It is owned by the County Highway Agency.