US Bridges

Csah 68 over Pike River

Fair

St. Louis County, Minnesota · 0.6 MI N of JCT Csah 21 · Structure no. 69684

Built
2010
15 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
115
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 68 over Pike River is a concrete continuous slab carrying Csah 68 over Pike River in St. Louis County, Minnesota. It was built in 2010, so it is 15 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 115 vehicles a day, projected to reach 120 by 2039. The structure is 92 ft (27.9 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 68
CrossesPike River
Location0.6 MI N of JCT Csah 21
RouteCounty Highway 68
Coordinates47.6526, -92.39041
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length92 ft (27.9 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2019)
Projected traffic120 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 68 over Pike River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Csah 68 over Pike River 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 68 over Pike River carry?

About 115 vehicles per day (2019 count).

How long is Csah 68 over Pike River?

The structure is 92 ft (27.9 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns Csah 68 over Pike River?

It is owned by the County Highway Agency.