US Bridges

W. Commercial St. over US 95 Spur;commercial UP

Fair

Washington County, Idaho · In Weiser · Structure no. 000000000028720

Built
1960
65 years old
Condition
Fair
inspected June 2021
Type
Stringer/Multi-beam or Girder
Concrete
Length
159 ft
4 main spans
Daily traffic
720
2023 count
Owner
State
State Highway Agency

About this bridge

W. Commercial St. over US 95 Spur;commercial UP is a concrete stringer/multi-beam or girder carrying W. Commercial St. over US 95 Spur;commercial UP in Washington County, Idaho. It was built in 1960, so it is 65 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 720 vehicles a day, roughly 16% of them trucks, projected to reach 1,080 by 2042. The structure is 159 ft (48.5 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW. Commercial St.
CrossesUS 95 Spur;commercial UP
LocationIn Weiser
RouteCity Street 0
CountyWashington County
StateIdaho
Coordinates44.24694, -116.98083
Functional classUrban 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.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span43 ft (13.1 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2023)
Projected traffic1,080 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was W. Commercial St. over US 95 Spur;commercial UP built?

It was built in 1960, making it 65 years old in 2025.

What condition is W. Commercial St. over US 95 Spur;commercial UP 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 June 2021.

How much traffic does W. Commercial St. over US 95 Spur;commercial UP carry?

About 720 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is W. Commercial St. over US 95 Spur;commercial UP?

The structure is 159 ft (48.5 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns W. Commercial St. over US 95 Spur;commercial UP?

It is owned by the State Highway Agency.