US Bridges

Csah 8 over N Fk Nemadji River

Fair

Carlton County, Minnesota · 3.1 MI E of JCT Csah 11 · Structure no. 09J01

Built
1996
29 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
630
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over N Fk Nemadji River is a concrete culvert carrying Csah 8 over N Fk Nemadji River in Carlton County, Minnesota. It was built in 1996, so it is 29 years old, younger 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 630 vehicles a day, projected to reach 205 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCsah 8
CrossesN Fk Nemadji River
Location3.1 MI E of JCT Csah 11
RouteCounty Highway 8
CountyCarlton County
StateMinnesota
Coordinates46.46069, -92.53795
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2020)
Projected traffic205 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 8 over N Fk Nemadji River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Csah 8 over N Fk Nemadji 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 December 2024.

How much traffic does Csah 8 over N Fk Nemadji River carry?

About 630 vehicles per day (2020 count).

How long is Csah 8 over N Fk Nemadji River?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.5 m).

Who owns Csah 8 over N Fk Nemadji River?

It is owned by the County Highway Agency.