US Bridges

Or 42 (hwy 035) over Middle Fk Coquille River

Fair

Douglas County, Oregon · 6.74 MI E of County Line · Structure no. 16411 035 05169

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
287 ft
3 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 1983, so it is 42 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 287 ft (87.5 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
Location6.74 MI E of County Line
RouteState Highway 42
StateOregon
Coordinates42.99482, -123.72485
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to 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 rating52.9 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length287 ft (87.5 m)
Longest span105 ft (32 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 1983, making it 42 years old in 2025.

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 287 ft (87.5 m) long with a longest span of 105 ft (32 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.