US Bridges

CR 81 over Dry Creek

Good

Chisago County, Minnesota · 0.1 MI N of JCT Csah 16 · Structure no. 13J14

Built
2012
13 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
53
2022 count
Owner
County
County Highway Agency

About this bridge

CR 81 over Dry Creek is a concrete culvert carrying CR 81 over Dry Creek in Chisago County, Minnesota. It was built in 2012, so it is 13 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 53 vehicles a day, projected to reach 251 by 2042. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 81
CrossesDry Creek
Location0.1 MI N of JCT Csah 16
RouteCounty Highway 81
Coordinates45.50078, -92.75514
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.7 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2022)
Projected traffic251 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 81 over Dry Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is CR 81 over Dry 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 81 over Dry Creek carry?

About 53 vehicles per day (2022 count).

How long is CR 81 over Dry Creek?

The structure is 25 ft (7.7 m) long with a longest span of 11 ft (3.5 m).

Who owns CR 81 over Dry Creek?

It is owned by the County Highway Agency.