US Bridges

CR 43 over Elk River

Good

Sherburne County, Minnesota · 1.0 MI N of JCT TH 10 · Structure no. 71515

Built
1984
41 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
217 ft
3 main spans
Daily traffic
4,200
2020 count
Owner
County
County Highway Agency

About this bridge

CR 43 over Elk River is a prestressed concrete stringer/multi-beam or girder carrying CR 43 over Elk River in Sherburne 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,200 vehicles a day, projected to reach 3,850 by 2040. The structure is 217 ft (66.1 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 43
CrossesElk River
Location1.0 MI N of JCT TH 10
RouteCounty Highway 43
Coordinates45.3488, -93.73149
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span70 ft (21.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2020)
Projected traffic3,850 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR 43 over Elk River built?

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

What condition is CR 43 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 2024.

How much traffic does CR 43 over Elk River carry?

About 4,200 vehicles per day (2020 count).

How long is CR 43 over Elk River?

The structure is 217 ft (66.1 m) long with a longest span of 70 ft (21.4 m) and a deck 35 ft wide.

Who owns CR 43 over Elk River?

It is owned by the County Highway Agency.