US Bridges

County RD 9G over North Fork Coquille Rive

Fair

Coos County, Oregon · 0372 Mile N Lavern Park · Structure no. 11C27N014800372

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
95
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 9G over North Fork Coquille Rive is a prestressed concrete slab carrying County RD 9G over North Fork Coquille Rive in Coos County, Oregon. It was built in 1971, so it is 54 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 95 vehicles a day, roughly 1% of them trucks, projected to reach 110 by 2025. The structure is 118 ft (36 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 9G
CrossesNorth Fork Coquille Rive
Location0372 Mile N Lavern Park
RouteCounty Highway C009G
CountyCoos County
StateOregon
Coordinates43.29061, -124.02181
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.
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
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span59 ft (18 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2020)
Projected traffic110 by 2025
Trucks1%
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 9G over North Fork Coquille Rive built?

It was built in 1971, making it 54 years old in 2025.

What condition is County RD 9G over North Fork Coquille Rive 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 9G over North Fork Coquille Rive carry?

About 95 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is County RD 9G over North Fork Coquille Rive?

The structure is 118 ft (36 m) long with a longest span of 59 ft (18 m) and a deck 24 ft wide.

Who owns County RD 9G over North Fork Coquille Rive?

It is owned by the County Highway Agency.