US Bridges

Or 42 (hwy 035) over Middle Fk Coquille River

Fair

Douglas County, Oregon · 2.7 MI E of County Line · Structure no. 09310A035 04768

Built
1976
49 years old, rebuilt 1988
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
443 ft
5 main spans
Daily traffic
2,879
2022 count
Owner
State
State Highway Agency

About this bridge

Or 42 (hwy 035) over Middle Fk Coquille River is a prestressed concrete stringer/multi-beam or girder carrying Or 42 (hwy 035) over Middle Fk Coquille River in Douglas County, Oregon. It was built in 1976 and reconstructed in 1988, 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 443 ft (135.1 m) long and 44 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesOr 42 (hwy 035)
CrossesMiddle Fk Coquille River
Location2.7 MI E of County Line
RouteState Highway 42
StateOregon
Coordinates42.9663, -123.7697
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length443 ft (135.1 m)
Longest span100 ft (30.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,879 (2022)
Projected traffic3,100 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
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 Middle Fk Coquille River built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1988.

What condition is Or 42 (hwy 035) over Middle Fk Coquille River 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 Middle Fk Coquille River carry?

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

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

The structure is 443 ft (135.1 m) long with a longest span of 100 ft (30.5 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.