US Bridges

M 11 over Mound Creek

Good

Rock County, Minnesota · 0.9 MI E of JCT TH 75 · Structure no. 95355

Built
1980
45 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
41
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 11 over Mound Creek is a concrete culvert carrying M 11 over Mound Creek in Rock County, Minnesota. It was built in 1980, so it is 45 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 41 vehicles a day, projected to reach 41 by 2029. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesM 11
CrossesMound Creek
Location0.9 MI E of JCT TH 75
RouteCity Street 11
Coordinates43.76118, -96.19592
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
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 spans3
Design loadHS 20
Structure length40 ft (12.2 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 traffic41 (1990)
Projected traffic41 by 2029
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

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 11 over Mound Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is M 11 over Mound 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 October 2021.

How much traffic does M 11 over Mound Creek carry?

About 41 vehicles per day (1990 count).

How long is M 11 over Mound Creek?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m).

Who owns M 11 over Mound Creek?

It is owned by the City or Municipal Highway Agency.