US Bridges

Or 31 (hwy 019) over Silver Creek

Good

Lake County, Oregon · 006 MI N Oshd Maint Staa · Structure no. 19782 019 04675

Built
2006
19 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
486
2022 count
Owner
State
State Highway Agency

About this bridge

Or 31 (hwy 019) over Silver Creek is a prestressed concrete slab carrying Or 31 (hwy 019) over Silver Creek in Lake County, Oregon. It was built in 2006, so it is 19 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 486 vehicles a day, roughly 27% of them trucks, projected to reach 500 by 2042. The structure is 70 ft (21.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOr 31 (hwy 019)
CrossesSilver Creek
Location006 MI N Oshd Maint Staa
RouteState Highway 31
StateOregon
Coordinates43.12798, -121.06208
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.4 m)
Longest span70 ft (21.4 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic486 (2022)
Projected traffic500 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 31 (hwy 019) over Silver Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Or 31 (hwy 019) over Silver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Or 31 (hwy 019) over Silver Creek carry?

About 486 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is Or 31 (hwy 019) over Silver Creek?

The structure is 70 ft (21.4 m) long with a longest span of 70 ft (21.4 m) and a deck 44 ft wide.

Who owns Or 31 (hwy 019) over Silver Creek?

It is owned by the State Highway Agency.