US Bridges

Mn 23 over Mayhew Creek

Good

Benton County, Minnesota · 0.1 MI S of JCT TH 95 · Structure no. 97610

Built
1995
30 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
12,475
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Mayhew Creek is a concrete culvert carrying Mn 23 over Mayhew Creek in Benton County, Minnesota. It was built in 1995, so it is 30 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 12,475 vehicles a day, roughly 12% of them trucks, projected to reach 13,000 by 2041. The structure is 36 ft (11 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMn 23
CrossesMayhew Creek
Location0.1 MI S of JCT TH 95
RouteState Highway 23
Coordinates45.58661, -94.05372
Functional classUrban Other Principal Arterial

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 inspectionSeptember 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 alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length36 ft (11 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 traffic12,475 (2021)
Projected traffic13,000 by 2041
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 23 over Mayhew Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Mn 23 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 September 2021.

How much traffic does Mn 23 over Mayhew Creek carry?

About 12,475 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Mn 23 over Mayhew Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m).

Who owns Mn 23 over Mayhew Creek?

It is owned by the State Highway Agency.