US Bridges

Csah 5 over Dempsey Creek

Fair

St. Louis County, Minnesota · 1.0 MI N of JCT Mn 37 · Structure no. L4160

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
1,350
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 5 over Dempsey Creek is a steel culvert carrying Csah 5 over Dempsey Creek in St. Louis County, Minnesota. It was built in 1960, so it is 65 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 5 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 1,350 vehicles a day, projected to reach 1,150 by 2039. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 5
CrossesDempsey Creek
Location1.0 MI N of JCT Mn 37
RouteCounty Highway 5
CountySt. Louis County
StateMinnesota
Coordinates47.41038, -92.80717
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2019)
Projected traffic1,150 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 5 over Dempsey Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Csah 5 over Dempsey Creek 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 July 2023.

How much traffic does Csah 5 over Dempsey Creek carry?

About 1,350 vehicles per day (2019 count).

How long is Csah 5 over Dempsey Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.6 m).

Who owns Csah 5 over Dempsey Creek?

It is owned by the County Highway Agency.