US Bridges

Cave Camp Road over West Fork Williams Creek

FairPosted for load

Josephine County, Oregon · Josephine CO · Structure no. 412005412000042

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
472
2020 count
Owner
County
County Highway Agency

About this bridge

Cave Camp Road over West Fork Williams Creek is a steel stringer/multi-beam or girder carrying Cave Camp Road over West Fork Williams Creek in Josephine County, Oregon. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 472 vehicles a day, roughly 22% of them trucks, projected to reach 557 by 2025. The structure is 41 ft (12.5 m) long and 28 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesCave Camp Road
CrossesWest Fork Williams Creek
LocationJosephine CO
RouteCounty Highway C4120
CountyJosephine County
StateOregon
Coordinates42.19785, -123.32281
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.6 US tons
Inventory rating10.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2020)
Projected traffic557 by 2025
Trucks22%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cave Camp Road over West Fork Williams Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Cave Camp Road over West Fork Williams 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 July 2024.

How much traffic does Cave Camp Road over West Fork Williams Creek carry?

About 472 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is Cave Camp Road over West Fork Williams Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns Cave Camp Road over West Fork Williams Creek?

It is owned by the County Highway Agency.