US Bridges

Jenck RD over Clear Creek

Fair

Tillamook County, Oregon · Jenck RD · Structure no. 24046 000 00007

Built
2020
5 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
1,000
2018 count
Owner
County
County Highway Agency

About this bridge

Jenck RD over Clear Creek is a prestressed concrete slab carrying Jenck RD over Clear Creek in Tillamook County, Oregon. It was built in 2020, so it is 5 years old, younger 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.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,200 by 2038. The structure is 52 ft (16 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesJenck RD
CrossesClear Creek
LocationJenck RD
RouteCounty Highway C0000
StateOregon
Coordinates45.18781, -123.89992
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating85.8 US tons
Inventory rating66 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length52 ft (16 m)
Longest span52 ft (16 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,200 by 2038
Trucks5%
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 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 Jenck RD over Clear Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Jenck RD over Clear 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 2024.

How much traffic does Jenck RD over Clear Creek carry?

About 1,000 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Jenck RD over Clear Creek?

The structure is 52 ft (16 m) long with a longest span of 52 ft (16 m) and a deck 32 ft wide.

Who owns Jenck RD over Clear Creek?

It is owned by the County Highway Agency.