US Bridges

CR 80 over Mayhew Creek

Good

Benton County, Minnesota · 0.75 MI S of JCT Csah 3 · Structure no. 05J17

Built
2021
4 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
660
2019 count
Owner
County
County Highway Agency

About this bridge

CR 80 over Mayhew Creek is a concrete culvert carrying CR 80 over Mayhew Creek in Benton County, Minnesota. It was built in 2021, so it is 4 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 660 vehicles a day, projected to reach 1,100 by 2039. The structure is 52 ft (15.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 80
CrossesMayhew Creek
Location0.75 MI S of JCT Csah 3
RouteCounty Highway 80
Coordinates45.60671, -94.09115
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span18 ft (5.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2019)
Projected traffic1,100 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 80 over Mayhew Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is CR 80 over Mayhew 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 December 2021.

How much traffic does CR 80 over Mayhew Creek carry?

About 660 vehicles per day (2019 count).

How long is CR 80 over Mayhew Creek?

The structure is 52 ft (15.9 m) long with a longest span of 18 ft (5.4 m).

Who owns CR 80 over Mayhew Creek?

It is owned by the County Highway Agency.