US Bridges

Csah 3 over Elk River

Good

Sherburne County, Minnesota · 0.9 MI E of JCT CR 65 · Structure no. 71532

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
1,300
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Elk River is a prestressed concrete stringer/multi-beam or girder carrying Csah 3 over Elk River in Sherburne County, Minnesota. It was built in 2019, so it is 6 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 1,300 vehicles a day, projected to reach 1,915 by 2038. The structure is 171 ft (52.1 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 3
CrossesElk River
Location0.9 MI E of JCT CR 65
RouteCounty Highway 3
Coordinates45.5228, -94.0484
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length171 ft (52.1 m)
Longest span56 ft (17.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,915 by 2038
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 3 over Elk River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Csah 3 over Elk River 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 October 2023.

How much traffic does Csah 3 over Elk River carry?

About 1,300 vehicles per day (2018 count).

How long is Csah 3 over Elk River?

The structure is 171 ft (52.1 m) long with a longest span of 56 ft (17.2 m) and a deck 43 ft wide.

Who owns Csah 3 over Elk River?

It is owned by the County Highway Agency.