US Bridges

Csah 52 over Ditch

Good

St. Louis County, Minnesota · 0.2 MI W of JCT Csah 7 · Structure no. 69A46

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
90
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 52 over Ditch is a prestressed concrete stringer/multi-beam or girder carrying Csah 52 over Ditch in St. Louis County, Minnesota. It was built in 2017, so it is 8 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 90 vehicles a day, projected to reach 123 by 2035. The structure is 71 ft (21.7 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 52
CrossesDitch
Location0.2 MI W of JCT Csah 7
RouteCounty Highway 52
Coordinates47.16839, -92.6045
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length71 ft (21.7 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2015)
Projected traffic123 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 52 over Ditch built?

It was built in 2017, making it 8 years old in 2025.

What condition is Csah 52 over Ditch 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 June 2024.

How much traffic does Csah 52 over Ditch carry?

About 90 vehicles per day (2015 count).

How long is Csah 52 over Ditch?

The structure is 71 ft (21.7 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns Csah 52 over Ditch?

It is owned by the County Highway Agency.