US Bridges

CR 71 over Hay Creek

Good

Koochiching County, Minnesota · 0.4 MI W of JCT TH 65 · Structure no. 91739

Built
1978
47 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
24
2021 count
Owner
County
County Highway Agency

About this bridge

CR 71 over Hay Creek is a concrete culvert carrying CR 71 over Hay Creek in Koochiching County, Minnesota. It was built in 1978, so it is 47 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 24 vehicles a day, projected to reach 15 by 2041. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 71
CrossesHay Creek
Location0.4 MI W of JCT TH 65
RouteCounty Highway 71
Coordinates48.28613, -93.55972
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 2021
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 alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2021)
Projected traffic15 by 2041
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 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 71 over Hay Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 71 over Hay Creek 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 2021.

How much traffic does CR 71 over Hay Creek carry?

About 24 vehicles per day (2021 count).

How long is CR 71 over Hay Creek?

The structure is 26 ft (7.8 m) long with a longest span of 10 ft (3 m).

Who owns CR 71 over Hay Creek?

It is owned by the County Highway Agency.