US Bridges

CR 73 over Ditch # 45

Good

Clay County, Minnesota · 0.9 MI N of JCT Csah 34 · Structure no. 94143

Built
1977
48 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
25
2013 count
Owner
County
County Highway Agency

About this bridge

CR 73 over Ditch # 45 is a concrete culvert carrying CR 73 over Ditch # 45 in Clay County, Minnesota. It was built in 1977, so it is 48 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 25 vehicles a day, projected to reach 25 by 2039. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 73
CrossesDitch # 45
Location0.9 MI N of JCT Csah 34
RouteCounty Highway 73
Coordinates47.09344, -96.60634
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2013)
Projected traffic25 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 73 over Ditch # 45 built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 73 over Ditch # 45 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 September 2023.

How much traffic does CR 73 over Ditch # 45 carry?

About 25 vehicles per day (2013 count).

How long is CR 73 over Ditch # 45?

The structure is 34 ft (10.5 m) long with a longest span of 14 ft (4.3 m).

Who owns CR 73 over Ditch # 45?

It is owned by the County Highway Agency.