US Bridges

CR 77 over Stream

Good

Koochiching County, Minnesota · 0.4 MI W of JCT TH 71 · Structure no. 96515

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
31
2021 count
Owner
County
County Highway Agency

About this bridge

CR 77 over Stream is a concrete culvert carrying CR 77 over Stream in Koochiching County, Minnesota. It was built in 1989, so it is 36 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 31 vehicles a day, projected to reach 30 by 2041. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCR 77
CrossesStream
Location0.4 MI W of JCT TH 71
RouteCounty Highway 77
Coordinates48.36026, -93.68396
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
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 length22 ft (6.8 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2021)
Projected traffic30 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 77 over Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 77 over Stream 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 2024.

How much traffic does CR 77 over Stream carry?

About 31 vehicles per day (2021 count).

How long is CR 77 over Stream?

The structure is 22 ft (6.8 m) long with a longest span of 8 ft (2.5 m).

Who owns CR 77 over Stream?

It is owned by the County Highway Agency.