US Bridges

Csah 7 over Ditch

Fair

St. Louis County, Minnesota · 1.1 MI N of JCT Csah 52 · Structure no. 97229

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
40 ft
2 main spans
Daily traffic
370
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Ditch is a concrete culvert carrying Csah 7 over Ditch in St. Louis County, Minnesota. It was built in 1992, so it is 33 years old, younger 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.

It carries about 370 vehicles a day, projected to reach 360 by 2039. The structure is 40 ft (12.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesDitch
Location1.1 MI N of JCT Csah 52
RouteCounty Highway 7
CountySt. Louis County
StateMinnesota
Coordinates47.18306, -92.6014
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior 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 length40 ft (12.3 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2019)
Projected traffic360 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Csah 7 over Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Csah 7 over Ditch 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 Csah 7 over Ditch carry?

About 370 vehicles per day (2019 count).

How long is Csah 7 over Ditch?

The structure is 40 ft (12.3 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 7 over Ditch?

It is owned by the County Highway Agency.