US Bridges

County RD 1000 over Lake Creek

Fair

Jackson County, Oregon · 1.60 Milepost · Structure no. 29C255000 00060

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
929
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 1000 over Lake Creek is a prestressed concrete tee beam carrying County RD 1000 over Lake Creek in Jackson County, Oregon. It was built in 1962, so it is 63 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 929 vehicles a day, roughly 10% of them trucks, projected to reach 1,084 by 2025. The structure is 55 ft (16.7 m) long and 28 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesCounty RD 1000
CrossesLake Creek
Location1.60 Milepost
RouteCounty Highway C1000
CountyJackson County
StateOregon
Coordinates42.41957, -122.62141
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span51 ft (15.6 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic929 (2020)
Projected traffic1,084 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 County RD 1000 over Lake Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is County RD 1000 over Lake 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 June 2023.

How much traffic does County RD 1000 over Lake Creek carry?

About 929 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 1000 over Lake Creek?

The structure is 55 ft (16.7 m) long with a longest span of 51 ft (15.6 m) and a deck 28 ft wide.

Who owns County RD 1000 over Lake Creek?

It is owned by the County Highway Agency.