US Bridges

28 S 04 W 34.01: over Slide Creek

Good

Douglas County, Oregon · 8.4 Miles NE of Myrtle CR · Structure no. 0000000L1439305

Built
1984
41 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
20
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

28 S 04 W 34.01: over Slide Creek is a prestressed concrete box beam or girders - multiple carrying 28 S 04 W 34.01: over Slide Creek in Douglas County, Oregon. It was built in 1984, so it is 41 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 66 ft (20.1 m) long and 16 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Carries28 S 04 W 34.01:
CrossesSlide Creek
Location8.4 Miles NE of Myrtle CR
RouteFederal Lands Road 0
StateOregon
Coordinates43.08556, -123.16194
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width16 ft (4.9 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 closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$5,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 28 S 04 W 34.01: over Slide Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is 28 S 04 W 34.01: over Slide Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does 28 S 04 W 34.01: over Slide Creek carry?

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

How long is 28 S 04 W 34.01: over Slide Creek?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 16 ft wide.

Who owns 28 S 04 W 34.01: over Slide Creek?

It is owned by the Bureau of Land Management.