US Bridges

US 395 (hwy 048) over Silvies River (1st Xing)

Good

Grant County, Oregon · 10.3 MI N Harney CO Line · Structure no. 17987 048 03010

Built
1996
29 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
490
2022 count
Owner
State
State Highway Agency

About this bridge

US 395 (hwy 048) over Silvies River (1st Xing) is a prestressed concrete box beam or girders - multiple carrying US 395 (hwy 048) over Silvies River (1st Xing) in Grant County, Oregon. It was built in 1996, so it is 29 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 490 vehicles a day, roughly 27% of them trucks, projected to reach 520 by 2042. The structure is 81 ft (24.7 m) long and 40 ft wide. If it were closed, the detour would be 77.1 mi (124 km).

CarriesUS 395 (hwy 048)
CrossesSilvies River (1st Xing)
Location10.3 MI N Harney CO Line
RouteU.S. Route 395
StateOregon
Coordinates44.08274, -118.96164
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2022)
Projected traffic520 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 km)
TollOn a free road
National Highway SystemYes

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 US 395 (hwy 048) over Silvies River (1st Xing) built?

It was built in 1996, making it 29 years old in 2025.

What condition is US 395 (hwy 048) over Silvies River (1st Xing) 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 June 2023.

How much traffic does US 395 (hwy 048) over Silvies River (1st Xing) carry?

About 490 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is US 395 (hwy 048) over Silvies River (1st Xing)?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 40 ft wide.

Who owns US 395 (hwy 048) over Silvies River (1st Xing)?

It is owned by the State Highway Agency.