US Bridges

Stc 5783;EAST Rvr over Big Creek

Fair

Bonner County, Idaho · 12.0 N. of Priest River · Structure no. 000000000020633

Built
2018
7 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 5783;EAST Rvr over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying Stc 5783;EAST Rvr over Big Creek in Bonner County, Idaho. It was built in 2018, so it is 7 years old, younger 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 63 ft (19.2 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesStc 5783;EAST Rvr
CrossesBig Creek
Location12.0 N. of Priest River
RouteCounty Highway 5783
StateIdaho
Coordinates48.32992, -116.84747
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 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 closed6.8 mi (11 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 Rvr over Big Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Stc 5783;EAST Rvr over Big Creek 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 September 2024.

How much traffic does Stc 5783;EAST Rvr over Big Creek carry?

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

How long is Stc 5783;EAST Rvr over Big Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Stc 5783;EAST Rvr over Big Creek?

It is owned by the County Highway Agency.