US Bridges

Csah 3 over Red Lake River

Good

Red Lake County, Minnesota · 0.7 MI W of JCT Csah 11 · Structure no. 63507

Built
1982
43 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
625 ft
2 main spans
Daily traffic
229
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Red Lake River is a steel continuous stringer/multi-beam or girder carrying Csah 3 over Red Lake River in Red Lake County, Minnesota. It was built in 1982, so it is 43 years old, older 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 229 vehicles a day, roughly 8% of them trucks, projected to reach 265 by 2042. The structure is 625 ft (190.4 m) long and 39 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 3
CrossesRed Lake River
Location0.7 MI W of JCT Csah 11
RouteCounty Highway 3
Coordinates47.8583, -96.43206
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating38.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+6 approach)
Design loadHS 20
Structure length625 ft (190.4 m)
Longest span134 ft (40.8 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229 (2022)
Projected traffic265 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 3 over Red Lake River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Csah 3 over Red Lake 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 November 2023.

How much traffic does Csah 3 over Red Lake River carry?

About 229 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Csah 3 over Red Lake River?

The structure is 625 ft (190.4 m) long with a longest span of 134 ft (40.8 m) and a deck 39 ft wide.

Who owns Csah 3 over Red Lake River?

It is owned by the County Highway Agency.