US Bridges

US 59 over Pomme De Terre River

Fair

Swift County, Minnesota · 2.1 MI NE of N JCT TH 7 · Structure no. 76002

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
3 main spans
Daily traffic
1,627
2022 count
Owner
State
State Highway Agency

About this bridge

US 59 over Pomme De Terre River is a steel continuous stringer/multi-beam or girder carrying US 59 over Pomme De Terre River in Swift County, Minnesota. It was built in 1971, so it is 54 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.

It carries about 1,627 vehicles a day, roughly 20% of them trucks, projected to reach 1,750 by 2042. The structure is 123 ft (37.6 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 59
CrossesPomme De Terre River
Location2.1 MI NE of N JCT TH 7
RouteU.S. Route 59
Coordinates45.2245, -95.98483
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating33.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.6 m)
Longest span48 ft (14.6 m)
Deck width48 ft (14.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,627 (2022)
Projected traffic1,750 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 59 over Pomme De Terre River built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 59 over Pomme De Terre 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 US 59 over Pomme De Terre River carry?

About 1,627 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US 59 over Pomme De Terre River?

The structure is 123 ft (37.6 m) long with a longest span of 48 ft (14.6 m) and a deck 48 ft wide.

Who owns US 59 over Pomme De Terre River?

It is owned by the State Highway Agency.