US Bridges

CR 106 over Shell River

FairPosted for load

Wadena County, Minnesota · 1.3 MI N of JCT Csah 18 · Structure no. 80518

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Slab
Wood or Timber
Length
128 ft
4 main spans
Daily traffic
45
2020 count
Owner
County
County Highway Agency

About this bridge

CR 106 over Shell River is a wood or timber slab carrying CR 106 over Shell River in Wadena County, Minnesota. It was built in 1984, so it is 41 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 60 by 2040. The structure is 128 ft (39 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCR 106
CrossesShell River
Location1.3 MI N of JCT Csah 18
RouteCounty Highway 106
CountyWadena County
StateMinnesota
Coordinates46.79359, -94.95237
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating43.9 US tons
Inventory rating30.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length128 ft (39 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2020)
Projected traffic60 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 CR 106 over Shell River built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR 106 over Shell 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 CR 106 over Shell River carry?

About 45 vehicles per day (2020 count).

How long is CR 106 over Shell River?

The structure is 128 ft (39 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns CR 106 over Shell River?

It is owned by the County Highway Agency.