US Bridges

Or 42 (hwy 035) EB over Davis Slough

FairPosted for load

Coos County, Oregon · 09.6 MI W Coquille · Structure no. 03168A035 00057

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
212 ft
8 main spans
Daily traffic
4,857
2022 count
Owner
State
State Highway Agency

About this bridge

Or 42 (hwy 035) EB over Davis Slough is a concrete tee beam carrying Or 42 (hwy 035) EB over Davis Slough in Coos County, Oregon. It was built in 1962, so it is 63 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. Its operating status is: posted for other load-capacity restriction.

It carries about 4,857 vehicles a day, roughly 15% of them trucks, projected to reach 5,200 by 2042. The structure is 212 ft (64.6 m) long and 35 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

Location

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CarriesOr 42 (hwy 035) EB
CrossesDavis Slough
Location09.6 MI W Coquille
RouteState Highway 42
CountyCoos County
StateOregon
Coordinates43.28849, -124.22628
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span46 ft (14 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,857 (2022)
Projected traffic5,200 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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) EB over Davis Slough built?

It was built in 1962, making it 63 years old in 2025.

What condition is Or 42 (hwy 035) EB over Davis Slough 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 March 2024.

How much traffic does Or 42 (hwy 035) EB over Davis Slough carry?

About 4,857 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 42 (hwy 035) EB over Davis Slough?

The structure is 212 ft (64.6 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns Or 42 (hwy 035) EB over Davis Slough?

It is owned by the State Highway Agency.