US Bridges

Coquille River RD over Wooden Rock Creek

Fair

Coos County, Oregon · 9 MI SE of 97466 · Structure no. 061105000001078

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
92 ft
1 main span
Daily traffic
32
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Coquille River RD over Wooden Rock Creek is a wood or timber stringer/multi-beam or girder carrying Coquille River RD over Wooden Rock Creek in Coos County, Oregon. It was built in 1974, so it is 51 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 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 32 vehicles a day, projected to reach 48 by 2045. The structure is 92 ft (28 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesCoquille River RD
CrossesWooden Rock Creek
Location9 MI SE of 97466
RouteFederal Lands Road 33480
StateOregon
Coordinates42.80353, -123.92656
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56 US tons
Inventory rating39 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadOther
Structure length92 ft (28 m)
Longest span62 ft (18.9 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (1995)
Projected traffic48 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
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 Coquille River RD over Wooden Rock Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Coquille River RD over Wooden Rock 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 June 2024.

How much traffic does Coquille River RD over Wooden Rock Creek carry?

About 32 vehicles per day (1995 count).

How long is Coquille River RD over Wooden Rock Creek?

The structure is 92 ft (28 m) long with a longest span of 62 ft (18.9 m) and a deck 17 ft wide.

Who owns Coquille River RD over Wooden Rock Creek?

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