US Bridges

30 S 10 W 03.00: over Rock Creek

Fair

Coos County, Oregon · 0.8 Miles NE of HWY 42 (m · Structure no. 0000000L1439027

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
20
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

30 S 10 W 03.00: over Rock Creek is a concrete continuous stringer/multi-beam or girder carrying 30 S 10 W 03.00: over Rock Creek in Coos County, Oregon. It was built in 1967, so it is 58 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 100 ft (30.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries30 S 10 W 03.00:
CrossesRock Creek
Location0.8 Miles NE of HWY 42 (m
RouteFederal Lands Road 0
StateOregon
Coordinates42.99111, -123.86
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span65 ft (19.8 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic35 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$4,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 30 S 10 W 03.00: over Rock Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 30 S 10 W 03.00: over 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 April 2024.

How much traffic does 30 S 10 W 03.00: over Rock Creek carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 30 S 10 W 03.00: over Rock Creek?

The structure is 100 ft (30.5 m) long with a longest span of 65 ft (19.8 m) and a deck 16 ft wide.

Who owns 30 S 10 W 03.00: over Rock Creek?

It is owned by the Bureau of Land Management.