US Bridges

STC8217;COVE Road over Weiser R;backwater Ch.Br

Fair

Washington County, Idaho · At Weiser Ecl;main St. · Structure no. 000000000028785

Built
1960
65 years old, rebuilt 2006
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
490
2023 count
Owner
County
County Highway Agency

About this bridge

STC8217;COVE Road over Weiser R;backwater Ch.Br is a prestressed concrete tee beam carrying STC8217;COVE Road over Weiser R;backwater Ch.Br in Washington County, Idaho. It was built in 1960 and reconstructed in 2006, 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 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 490 vehicles a day, projected to reach 735 by 2042. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSTC8217;COVE Road
CrossesWeiser R;backwater Ch.Br
LocationAt Weiser Ecl;main St.
RouteCounty Highway 8217
CountyWashington County
StateIdaho
Coordinates44.24522, -116.94469
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2023)
Projected traffic735 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$344,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC8217;COVE Road over Weiser R;backwater Ch.Br built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is STC8217;COVE Road over Weiser R;backwater Ch.Br 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 July 2023.

How much traffic does STC8217;COVE Road over Weiser R;backwater Ch.Br carry?

About 490 vehicles per day (2023 count).

How long is STC8217;COVE Road over Weiser R;backwater Ch.Br?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns STC8217;COVE Road over Weiser R;backwater Ch.Br?

It is owned by the County Highway Agency.