US Bridges

Stc 8216;E 9th ST over Galloway Canal

Fair

Washington County, Idaho · 0.4 N. 1.0 E. Weiser · Structure no. 000000000028705

Built
1975
50 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 8216;E 9th ST over Galloway Canal is a prestressed concrete tee beam carrying Stc 8216;E 9th ST over Galloway Canal in Washington County, Idaho. It was built in 1975, so it is 50 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 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 270 vehicles a day, roughly 13% of them trucks, projected to reach 405 by 2042. The structure is 28 ft (8.5 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesStc 8216;E 9th ST
CrossesGalloway Canal
Location0.4 N. 1.0 E. Weiser
RouteCounty Highway 8216
CountyWashington County
StateIdaho
Coordinates44.25372, -116.95339
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic405 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$413,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 8216;E 9th ST over Galloway Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Stc 8216;E 9th ST 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 Stc 8216;E 9th ST over Galloway Canal carry?

About 270 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Stc 8216;E 9th ST over Galloway Canal?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 23 ft wide.

Who owns Stc 8216;E 9th ST over Galloway Canal?

It is owned by the County Highway Agency.