US Bridges

Stc 5783;EAST Side over Middle Fk.East River

Fair

Bonner County, Idaho · 12.5N. 3.2E. Priest River · Structure no. 000000000020635

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 5783;EAST Side over Middle Fk.East River is a prestressed concrete tee beam carrying Stc 5783;EAST Side over Middle Fk.East River in Bonner County, Idaho. It was built in 1972, so it is 53 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 23% of them trucks, projected to reach 405 by 2042. The structure is 62 ft (18.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesStc 5783;EAST Side
CrossesMiddle Fk.East River
Location12.5N. 3.2E. Priest River
RouteCounty Highway 5783
CountyBonner County
StateIdaho
Coordinates48.36128, -116.84039
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic405 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Stc 5783;EAST Side over Middle Fk.East River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Stc 5783;EAST Side over Middle Fk.East River 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 August 2023.

How much traffic does Stc 5783;EAST Side over Middle Fk.East River carry?

About 270 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is Stc 5783;EAST Side over Middle Fk.East River?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns Stc 5783;EAST Side over Middle Fk.East River?

It is owned by the County Highway Agency.