US Bridges

London RD over Coast Fork Willamette Rv

Fair

Lane County, Oregon · 072MI S Cottage Grove Res · Structure no. 039C24270001129

Built
1963
62 years old, rebuilt 2008
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
1 main span
Daily traffic
1,007
2020 count
Owner
County
County Highway Agency

About this bridge

London RD over Coast Fork Willamette Rv is a prestressed concrete stringer/multi-beam or girder carrying London RD over Coast Fork Willamette Rv in Lane County, Oregon. It was built in 1963 and reconstructed in 2008, so it is 62 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 1,007 vehicles a day, roughly 10% of them trucks, projected to reach 1,182 by 2025. The structure is 144 ft (43.9 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLondon RD
CrossesCoast Fork Willamette Rv
Location072MI S Cottage Grove Res
RouteCounty Highway A0469
StateOregon
Coordinates43.61491, -123.0859
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span72 ft (21.9 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,007 (2020)
Projected traffic1,182 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was London RD over Coast Fork Willamette Rv built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2008.

What condition is London RD over Coast Fork Willamette Rv 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 London RD over Coast Fork Willamette Rv carry?

About 1,007 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is London RD over Coast Fork Willamette Rv?

The structure is 144 ft (43.9 m) long with a longest span of 72 ft (21.9 m) and a deck 31 ft wide.

Who owns London RD over Coast Fork Willamette Rv?

It is owned by the County Highway Agency.