US Bridges

Road over Hemlock Creek

Fair

Douglas County, Oregon · No Data Entered · Structure no. 061506000001381

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Frame
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
10
Owner
Federal
U.S. Forest Service

About this bridge

Road over Hemlock Creek is a concrete continuous frame carrying Road over Hemlock Creek in Douglas County, Oregon. It was built in 1954, so it is 71 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 65 ft (19.8 m) long and 18 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesHemlock Creek
LocationNo Data Entered
RouteFederal Lands Road 27002
StateOregon
Coordinates43.21956, -122.73578
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating38 US tons
Inventory rating26 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span40 ft (12.2 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (—)
Projected traffic15 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 Road over Hemlock Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Road over Hemlock 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 October 2023.

How much traffic does Road over Hemlock Creek carry?

About 10 vehicles per day (latest count).

How long is Road over Hemlock Creek?

The structure is 65 ft (19.8 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.

Who owns Road over Hemlock Creek?

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