US Bridges

Sunny Valley Lp over Grave Creek

FairPosted for load

Josephine County, Oregon · T34S-R6W-S11 Sunny Valley · Structure no. 141005141000040

Built
1920
105 years old, rebuilt 2000
Condition
Fair
inspected October 2024
Type
Truss - Thru
Wood or Timber
Length
220 ft
1 main span
Daily traffic
1,626
2020 count
Owner
County
County Highway Agency

About this bridge

Sunny Valley Lp over Grave Creek is a wood or timber truss - thru carrying Sunny Valley Lp over Grave Creek in Josephine County, Oregon. It was built in 1920 and reconstructed in 2000, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 1,626 vehicles a day, roughly 5% of them trucks, projected to reach 1,911 by 2025. The structure is 220 ft (67.1 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSunny Valley Lp
CrossesGrave Creek
LocationT34S-R6W-S11 Sunny Valley
RouteCounty Highway C1410
StateOregon
Coordinates42.63608, -123.37756
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+4 approach)
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span105 ft (32 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic1,626 (2020)
Projected traffic1,911 by 2025
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunny Valley Lp over Grave Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2000.

What condition is Sunny Valley Lp over Grave 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 2024.

How much traffic does Sunny Valley Lp over Grave Creek carry?

About 1,626 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Sunny Valley Lp over Grave Creek?

The structure is 220 ft (67.1 m) long with a longest span of 105 ft (32 m) and a deck 19 ft wide.

Who owns Sunny Valley Lp over Grave Creek?

It is owned by the County Highway Agency.