US Bridges

CR 51 over Pomme De Terre River

Good

Swift County, Minnesota · 1.6 MI E of W CO Line · Structure no. 76511

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
30
2009 count
Owner
County
County Highway Agency

About this bridge

CR 51 over Pomme De Terre River is a steel continuous stringer/multi-beam or girder carrying CR 51 over Pomme De Terre River in Swift County, Minnesota. It was built in 1986, so it is 39 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 30 vehicles a day, projected to reach 30 by 2039. The structure is 157 ft (47.9 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 51
CrossesPomme De Terre River
Location1.6 MI E of W CO Line
RouteCounty Highway 51
Coordinates45.18836, -96.07203
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66 US tons
Inventory rating39.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2009)
Projected traffic30 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 51 over Pomme De Terre River built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 51 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 51 over Pomme De Terre River carry?

About 30 vehicles per day (2009 count).

How long is CR 51 over Pomme De Terre River?

The structure is 157 ft (47.9 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns CR 51 over Pomme De Terre River?

It is owned by the County Highway Agency.