US Bridges

M 76 over Perkins Creek

Fair

Cottonwood County, Minnesota · 0.4 MI S of JCT TH 71 · Structure no. L8938

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
200
1986 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 76 over Perkins Creek is a prestressed concrete channel beam carrying M 76 over Perkins Creek in Cottonwood County, Minnesota. It was built in 1964, so it is 61 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, projected to reach 200 by 2029. The structure is 25 ft (7.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM 76
CrossesPerkins Creek
Location0.4 MI S of JCT TH 71
RouteCity Street 76
Coordinates43.87473, -95.12057
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating38.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (6.9 m)
Deck width41 ft (12.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1986)
Projected traffic200 by 2029
Trucks—
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 76 over Perkins Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is M 76 over Perkins Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does M 76 over Perkins Creek carry?

About 200 vehicles per day (1986 count).

How long is M 76 over Perkins Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (6.9 m) and a deck 41 ft wide.

Who owns M 76 over Perkins Creek?

It is owned by the City or Municipal Highway Agency.