US Bridges

Csah 5 over Spider Creek

Fair

St. Louis County, Minnesota · 1.7 MI S of JCT CR 141 · Structure no. 96004

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
105
2011 count
Owner
County
County Highway Agency

About this bridge

Csah 5 over Spider Creek is a concrete culvert carrying Csah 5 over Spider Creek in St. Louis County, Minnesota. It was built in 1984, so it is 41 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 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 105 vehicles a day, projected to reach 105 by 2039. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesCsah 5
CrossesSpider Creek
Location1.7 MI S of JCT CR 141
RouteCounty Highway 5
CountySt. Louis County
StateMinnesota
Coordinates47.0006, -92.74303
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2011)
Projected traffic105 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Spider Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Csah 5 over Spider 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 October 2024.

How much traffic does Csah 5 over Spider Creek carry?

About 105 vehicles per day (2011 count).

How long is Csah 5 over Spider Creek?

The structure is 41 ft (12.6 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 5 over Spider Creek?

It is owned by the County Highway Agency.