US Bridges

CR 303 over Sand River

Good

St. Louis County, Minnesota · 1.4 MI N of JCT TH 169 · Structure no. 69616

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
220
2019 count
Owner
County
County Highway Agency

About this bridge

CR 303 over Sand River is a concrete culvert carrying CR 303 over Sand River in St. Louis County, Minnesota. It was built in 1998, so it is 27 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 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 220 vehicles a day, projected to reach 250 by 2039. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 303
CrossesSand River
Location1.4 MI N of JCT TH 169
RouteCounty Highway 303
Coordinates47.62727, -92.48712
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2019)
Projected traffic250 by 2039
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 303 over Sand River built?

It was built in 1998, making it 27 years old in 2025.

What condition is CR 303 over Sand 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 August 2023.

How much traffic does CR 303 over Sand River carry?

About 220 vehicles per day (2019 count).

How long is CR 303 over Sand River?

The structure is 48 ft (14.6 m) long with a longest span of 12 ft (3.7 m).

Who owns CR 303 over Sand River?

It is owned by the County Highway Agency.