US Bridges

Pp Access Road over Lake Sakakawea

Good

McLean County, North Dakota · 5.2 MI N-Nw of Coleharbor · Structure no. DKA-G-003

Built
1973
52 years old
Condition
Good
inspected July 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
2 main spans
Daily traffic
30
2013 count
Owner
Federal
Bureau of Reclamation

About this bridge

Pp Access Road over Lake Sakakawea is a prestressed concrete stringer/multi-beam or girder carrying Pp Access Road over Lake Sakakawea in McLean County, North Dakota. It was built in 1973, so it is 52 years old, older than the North Dakota average of 48.2 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 172 ft (52.3 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesPp Access Road
CrossesLake Sakakawea
Location5.2 MI N-Nw of Coleharbor
RouteFederal Lands Road 0
Coordinates47.61175, -101.26746
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating49.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length172 ft (52.3 m)
Longest span83 ft (25.4 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2013)
Projected traffic30 by 2039
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 Pp Access Road over Lake Sakakawea built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pp Access Road over Lake Sakakawea 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 July 2021.

How much traffic does Pp Access Road over Lake Sakakawea carry?

About 30 vehicles per day (2013 count).

How long is Pp Access Road over Lake Sakakawea?

The structure is 172 ft (52.3 m) long with a longest span of 83 ft (25.4 m) and a deck 24 ft wide.

Who owns Pp Access Road over Lake Sakakawea?

It is owned by the Bureau of Reclamation.