US Bridges

Csah 8 over Red Lake River

Good

Pennington County, Minnesota · 0.25 MI E of JCT Mn 32 · Structure no. 57526

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
295 ft
3 main spans
Daily traffic
810
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Red Lake River is a prestressed concrete stringer/multi-beam or girder carrying Csah 8 over Red Lake River in Pennington County, Minnesota. It was built in 2020, so it is 5 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 810 vehicles a day, projected to reach 4,200 by 2039. The structure is 295 ft (89.9 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 8
CrossesRed Lake River
Location0.25 MI E of JCT Mn 32
RouteCounty Highway 8
Coordinates48.0939, -96.18541
Functional classUrban 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 inspectionNovember 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 geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length295 ft (89.9 m)
Longest span118 ft (36.1 m)
Deck width55 ft (16.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2019)
Projected traffic4,200 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 8 over Red Lake River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 8 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 2024.

How much traffic does Csah 8 over Red Lake River carry?

About 810 vehicles per day (2019 count).

How long is Csah 8 over Red Lake River?

The structure is 295 ft (89.9 m) long with a longest span of 118 ft (36.1 m) and a deck 55 ft wide.

Who owns Csah 8 over Red Lake River?

It is owned by the County Highway Agency.