US Bridges

1675000 over N.F. Malheur River

Fair

Grant County, Oregon · 16 RD E to 1675 - SE 2 MI · Structure no. 060404000001015

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
1 main span
Daily traffic
15
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

1675000 over N.F. Malheur River is a wood or timber stringer/multi-beam or girder carrying 1675000 over N.F. Malheur River in Grant County, Oregon. It was built in 1959, so it is 66 years old, older than the Oregon average of 49.9 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 33 ft (10 m) long and 16 ft wide.

Location

Open in Google Maps
Carries1675000
CrossesN.F. Malheur River
Location16 RD E to 1675 - SE 2 MI
RouteFederal Lands Road 16750
CountyGrant County
StateOregon
Coordinates44.21464, -118.38098
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.1 US tons
Inventory rating45.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length33 ft (10 m)
Longest span31 ft (9.5 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2018)
Projected traffic22 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1675000 over N.F. Malheur River built?

It was built in 1959, making it 66 years old in 2025.

What condition is 1675000 over N.F. Malheur 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 2024.

How much traffic does 1675000 over N.F. Malheur River carry?

About 15 vehicles per day (2018 count).

How long is 1675000 over N.F. Malheur River?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.5 m) and a deck 16 ft wide.

Who owns 1675000 over N.F. Malheur River?

It is owned by the U.S. Forest Service.