US Bridges

27 S 10 W 06.02: over Alder Creek

Fair

Coos County, Oregon · 4 Miles SE of Fairview O · Structure no. 0000000L1439081

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
20
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

27 S 10 W 06.02: over Alder Creek is a prestressed concrete continuous tee beam carrying 27 S 10 W 06.02: over Alder Creek in Coos County, Oregon. It was built in 1960, so it is 65 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 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
Carries27 S 10 W 06.02:
CrossesAlder Creek
Location4 Miles SE of Fairview O
RouteFederal Lands Road 0
CountyCoos County
StateOregon
Coordinates43.25552, -123.9379
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span40 ft (12.2 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$48,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 27 S 10 W 06.02: over Alder Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is 27 S 10 W 06.02: over Alder 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 27 S 10 W 06.02: over Alder Creek carry?

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

How long is 27 S 10 W 06.02: over Alder Creek?

The structure is 60 ft (18.3 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns 27 S 10 W 06.02: over Alder Creek?

It is owned by the Bureau of Land Management.