US Bridges

Weiser River Road over Galloway Canal

Good

Washington County, Idaho · 0.2 S. 5.8 E. Weiser · Structure no. 000000000028911

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Weiser River Road over Galloway Canal is a steel stringer/multi-beam or girder carrying Weiser River Road over Galloway Canal in Washington 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 9% of them trucks, projected to reach 375 by 2042. The structure is 67 ft (20.4 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesWeiser River Road
CrossesGalloway Canal
Location0.2 S. 5.8 E. Weiser
RouteCounty Highway 0
CountyWashington County
StateIdaho
Coordinates44.24419, -116.85753
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating103 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic375 by 2042
Trucks9%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Weiser River Road over Galloway Canal built?

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

What condition is Weiser River Road over Galloway Canal 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 November 2023.

How much traffic does Weiser River Road over Galloway Canal carry?

About 250 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Weiser River Road over Galloway Canal?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns Weiser River Road over Galloway Canal?

It is owned by the County Highway Agency.