US Bridges

County RD over Clear Creek

Fair

Grant County, Oregon · 2.2 Miles West of Granite · Structure no. 23C241 000 0040

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
545
2020 count
Owner
County
County Highway Agency

About this bridge

County RD over Clear Creek is a concrete continuous tee beam carrying County RD over Clear Creek in Grant County, Oregon. It was built in 1968, so it is 57 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.

It carries about 545 vehicles a day, roughly 10% of them trucks, projected to reach 650 by 2025. The structure is 76 ft (23.2 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD
CrossesClear Creek
Location2.2 Miles West of Granite
RouteCounty Highway 0
StateOregon
Coordinates44.8155, -118.4544
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic545 (2020)
Projected traffic650 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 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 over Clear Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is County 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 August 2023.

How much traffic does County RD over Clear Creek carry?

About 545 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD over Clear Creek?

The structure is 76 ft (23.2 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns County RD over Clear Creek?

It is owned by the County Highway Agency.