US Bridges

Lobster Creek RD over Rogue River

Fair

Curry County, Oregon · 10 MI E HWY 101 @ 97444 · Structure no. 061103000001121

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
528 ft
1 main span
Daily traffic
19
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Lobster Creek RD over Rogue River is a steel truss - thru carrying Lobster Creek RD over Rogue River in Curry County, Oregon. It was built in 1959, so it is 66 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 5 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 19 vehicles a day, projected to reach 28 by 2045. The structure is 528 ft (160.9 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesLobster Creek RD
CrossesRogue River
Location10 MI E HWY 101 @ 97444
RouteFederal Lands Road 33100
StateOregon
Coordinates42.50292, -124.29364
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 20
Structure length528 ft (160.9 m)
Longest span325 ft (99.1 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic19 (1995)
Projected traffic28 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 Lobster Creek RD over Rogue River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Lobster Creek RD over Rogue River 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 September 2024.

How much traffic does Lobster Creek RD over Rogue River carry?

About 19 vehicles per day (1995 count).

How long is Lobster Creek RD over Rogue River?

The structure is 528 ft (160.9 m) long with a longest span of 325 ft (99.1 m) and a deck 17 ft wide.

Who owns Lobster Creek RD over Rogue River?

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