US Bridges

34 S 07 E 31.00: over Wood River

Fair

Klamath County, Oregon · 10.3 Miles W of HWY 97 (m · Structure no. 0000000L1439416

Built
2004
21 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
106 ft
4 main spans
Daily traffic
5
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

34 S 07 E 31.00: over Wood River is a wood or timber stringer/multi-beam or girder carrying 34 S 07 E 31.00: over Wood River in Klamath County, Oregon. It was built in 2004, so it is 21 years old, younger 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 5 by 2044. The structure is 106 ft (32.3 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries34 S 07 E 31.00:
CrossesWood River
Location10.3 Miles W of HWY 97 (m
RouteFederal Lands Road 0
StateOregon
Coordinates42.58139, -121.94028
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span27 ft (8.1 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic5 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$51,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 34 S 07 E 31.00: over Wood River built?

It was built in 2004, making it 21 years old in 2025.

What condition is 34 S 07 E 31.00: over Wood 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 September 2024.

How much traffic does 34 S 07 E 31.00: over Wood River carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 34 S 07 E 31.00: over Wood River?

The structure is 106 ft (32.3 m) long with a longest span of 27 ft (8.1 m) and a deck 16 ft wide.

Who owns 34 S 07 E 31.00: over Wood River?

It is owned by the Bureau of Land Management.