US Bridges

M 56 over Credit River

FairPosted for load

Scott County, Minnesota · 0.2 MI S of JCT TH 13 · Structure no. 5263

Built
1938
87 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
703
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 56 over Credit River is a concrete culvert carrying M 56 over Credit River in Scott County, Minnesota. It was built in 1938, so it is 87 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 703 vehicles a day, projected to reach 703 by 2029. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM 56
CrossesCredit River
Location0.2 MI S of JCT TH 13
RouteCity Street 56
CountyScott County
StateMinnesota
Coordinates44.77838, -93.3432
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic703 (2018)
Projected traffic703 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$110 million
NavigationNo navigation control on waterway

Frequently asked questions

When was M 56 over Credit River built?

It was built in 1938, making it 87 years old in 2025.

What condition is M 56 over Credit River 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 September 2024.

How much traffic does M 56 over Credit River carry?

About 703 vehicles per day (2018 count).

How long is M 56 over Credit River?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3.2 m).

Who owns M 56 over Credit River?

It is owned by the City or Municipal Highway Agency.