US Bridges

County RD 32 over Rock Creek

Fair

Coos County, Oregon · 0439 from JCT S42 Ah C 32 · Structure no. 06C42A003200439

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
192
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 32 over Rock Creek is a prestressed concrete tee beam carrying County RD 32 over Rock Creek in Coos 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.

It carries about 192 vehicles a day, roughly 25% of them trucks, projected to reach 217 by 2025. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 32
CrossesRock Creek
Location0439 from JCT S42 Ah C 32
RouteCounty Highway 0A416
CountyCoos County
StateOregon
Coordinates42.97333, -124.00582
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic192 (2020)
Projected traffic217 by 2025
Trucks25%
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 32 over Rock Creek built?

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

What condition is County RD 32 over Rock 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 September 2024.

How much traffic does County RD 32 over Rock Creek carry?

About 192 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is County RD 32 over Rock Creek?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 28 ft wide.

Who owns County RD 32 over Rock Creek?

It is owned by the County Highway Agency.