US Bridges

Csah 133 over Ditch

Good

St. Louis County, Minnesota · 3.6 MI W of JCT TH 53 · Structure no. 69K92

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
550
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 133 over Ditch is a concrete culvert carrying Csah 133 over Ditch in St. Louis County, Minnesota. It was built in 2022, so it is 3 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 550 vehicles a day, projected to reach 626 by 2039. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCsah 133
CrossesDitch
Location3.6 MI W of JCT TH 53
RouteCounty Highway 133
Coordinates47.06965, -92.54822
Functional classRural Major Collector

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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2019)
Projected traffic626 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 133 over Ditch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Csah 133 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 July 2024.

How much traffic does Csah 133 over Ditch carry?

About 550 vehicles per day (2019 count).

How long is Csah 133 over Ditch?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 133 over Ditch?

It is owned by the County Highway Agency.