US Bridges

STC8215;WEISER Rvr over Galloway Canal

Fair

Washington County, Idaho · 0.1 S. 2.5 E. Weiser · Structure no. 000000000019995

Built
1954
71 years old, rebuilt 2018
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
330
2023 count
Owner
County
County Highway Agency

About this bridge

STC8215;WEISER Rvr over Galloway Canal is a steel stringer/multi-beam or girder carrying STC8215;WEISER Rvr over Galloway Canal in Washington County, Idaho. It was built in 1954 and reconstructed in 2018, so it is 71 years old, older 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 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 330 vehicles a day, roughly 27% of them trucks, projected to reach 495 by 2042. The structure is 28 ft (8.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSTC8215;WEISER Rvr
CrossesGalloway Canal
Location0.1 S. 2.5 E. Weiser
RouteCounty Highway 8215
CountyWashington County
StateIdaho
Coordinates44.24586, -116.92028
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2023)
Projected traffic495 by 2042
Trucks27%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 STC8215;WEISER Rvr over Galloway Canal built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2018.

What condition is STC8215;WEISER Rvr over Galloway Canal 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 November 2023.

How much traffic does STC8215;WEISER Rvr over Galloway Canal carry?

About 330 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is STC8215;WEISER Rvr over Galloway Canal?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 34 ft wide.

Who owns STC8215;WEISER Rvr over Galloway Canal?

It is owned by the County Highway Agency.