US Bridges

CR 106 over CO Ditch # 49

FairPosted for load

Norman County, Minnesota · 0.9 MI S of JCT Csah 39 · Structure no. 2851

Built
1917
108 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
45
2016 count
Owner
County
County Highway Agency

About this bridge

CR 106 over CO Ditch # 49 is a concrete slab carrying CR 106 over CO Ditch # 49 in Norman County, Minnesota. It was built in 1917, so it is 108 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. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, projected to reach 45 by 2039. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 106
CrossesCO Ditch # 49
Location0.9 MI S of JCT Csah 39
RouteCounty Highway 106
Coordinates47.16512, -96.81729
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2016)
Projected traffic45 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$72 million
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 106 over CO Ditch # 49 built?

It was built in 1917, making it 108 years old in 2025.

What condition is CR 106 over CO Ditch # 49 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 June 2024.

How much traffic does CR 106 over CO Ditch # 49 carry?

About 45 vehicles per day (2016 count).

How long is CR 106 over CO Ditch # 49?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns CR 106 over CO Ditch # 49?

It is owned by the County Highway Agency.