US Bridges

Or 42 (hwy 035) over Coquille River Middle Fk

Fair

Douglas County, Oregon · 3.7 MI E of County Line · Structure no. 09311 035 04863

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
3 main spans
Daily traffic
2,879
2022 count
Owner
State
State Highway Agency

About this bridge

Or 42 (hwy 035) over Coquille River Middle Fk is a prestressed concrete stringer/multi-beam or girder carrying Or 42 (hwy 035) over Coquille River Middle Fk in Douglas County, Oregon. It was built in 1976, so it is 49 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 2,879 vehicles a day, roughly 28% of them trucks, projected to reach 3,100 by 2042. The structure is 242 ft (73.8 m) long and 52 ft wide.

CarriesOr 42 (hwy 035)
CrossesCoquille River Middle Fk
Location3.7 MI E of County Line
RouteState Highway 42
StateOregon
Coordinates42.97254, -123.75303
Functional classRural Principal Arterial - Other

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating39.7 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span84 ft (25.6 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,879 (2022)
Projected traffic3,100 by 2042
Trucks28%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 42 (hwy 035) over Coquille River Middle Fk built?

It was built in 1976, making it 49 years old in 2025.

What condition is Or 42 (hwy 035) over Coquille River Middle Fk 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 April 2024.

How much traffic does Or 42 (hwy 035) over Coquille River Middle Fk carry?

About 2,879 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is Or 42 (hwy 035) over Coquille River Middle Fk?

The structure is 242 ft (73.8 m) long with a longest span of 84 ft (25.6 m) and a deck 52 ft wide.

Who owns Or 42 (hwy 035) over Coquille River Middle Fk?

It is owned by the State Highway Agency.