US Bridges

CR 56 over Pomme De Terre River

Good

Swift County, Minnesota · 2.1 MI E of JCT Csah 20 · Structure no. 76515

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
45
2009 count
Owner
County
County Highway Agency

About this bridge

CR 56 over Pomme De Terre River is a steel continuous stringer/multi-beam or girder carrying CR 56 over Pomme De Terre River in Swift County, Minnesota. It was built in 1987, so it is 38 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 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 45 vehicles a day, projected to reach 45 by 2039. The structure is 157 ft (48 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 56
CrossesPomme De Terre River
Location2.1 MI E of JCT Csah 20
RouteCounty Highway 56
Coordinates45.31164, -95.95039
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.1 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (48 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2009)
Projected traffic45 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 56 over Pomme De Terre River built?

It was built in 1987, making it 38 years old in 2025.

What condition is CR 56 over Pomme De Terre River 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 2024.

How much traffic does CR 56 over Pomme De Terre River carry?

About 45 vehicles per day (2009 count).

How long is CR 56 over Pomme De Terre River?

The structure is 157 ft (48 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns CR 56 over Pomme De Terre River?

It is owned by the County Highway Agency.