US Bridges

M 1022 over Mayo Run

Good

Olmsted County, Minnesota · 0.1 MI S of 4th ST SE · Structure no. 93660

Built
1976
49 years old
Condition
Good
inspected July 2024
Type
Culvert
Prestressed Concrete
Length
21 ft
2 main spans
Daily traffic
2,872
1988 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 1022 over Mayo Run is a prestressed concrete culvert carrying M 1022 over Mayo Run in Olmsted County, Minnesota. It was built in 1976, so it is 49 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 2,872 vehicles a day, roughly 2% of them trucks, projected to reach 2,872 by 2029. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 1022
CrossesMayo Run
Location0.1 MI S of 4th ST SE
RouteCity Street 1022
Coordinates44.01782, -92.44878
Functional classUrban 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 inspectionJuly 2024
Inspection intervalevery 24 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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.3 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,872 (1988)
Projected traffic2,872 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 M 1022 over Mayo Run built?

It was built in 1976, making it 49 years old in 2025.

What condition is M 1022 over Mayo Run 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 July 2024.

How much traffic does M 1022 over Mayo Run carry?

About 2,872 vehicles per day (1988 count), of which roughly 2% are trucks.

How long is M 1022 over Mayo Run?

The structure is 21 ft (6.3 m) long with a longest span of 11 ft (3.3 m).

Who owns M 1022 over Mayo Run?

It is owned by the City or Municipal Highway Agency.