US Bridges

US 95 over Moyie R; Upper Eastport

Fair

Boundary County, Idaho · 0.1 S. Eastport (canada) · Structure no. 000000000018801

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
3 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Moyie R; Upper Eastport is a prestressed concrete stringer/multi-beam or girder carrying US 95 over Moyie R; Upper Eastport in Boundary County, Idaho. It was built in 2005, so it is 20 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 550 vehicles a day, roughly 53% of them trucks, projected to reach 825 by 2042. The structure is 250 ft (76.2 m) long and 65 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesUS 95
CrossesMoyie R; Upper Eastport
Location0.1 S. Eastport (canada)
RouteU.S. Route 95
CountyBoundary County
StateIdaho
Coordinates48.99861, -116.18078
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span83 ft (25.3 m)
Deck width65 ft (19.7 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic825 by 2042
Trucks53%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 95 over Moyie R; Upper Eastport built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 95 over Moyie R; Upper Eastport 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 August 2023.

How much traffic does US 95 over Moyie R; Upper Eastport carry?

About 550 vehicles per day (2023 count), of which roughly 53% are trucks.

How long is US 95 over Moyie R; Upper Eastport?

The structure is 250 ft (76.2 m) long with a longest span of 83 ft (25.3 m) and a deck 65 ft wide.

Who owns US 95 over Moyie R; Upper Eastport?

It is owned by the State Highway Agency.