US Bridges

Or 34 (hwy 27) over Arnold Creek

FairPosted for load

Lincoln County, Oregon · 067 MI E HWY 9 JCT · Structure no. 01691 027 00671

Built
1932
93 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
1,476
2022 count
Owner
State
State Highway Agency

About this bridge

Or 34 (hwy 27) over Arnold Creek is a concrete continuous tee beam carrying Or 34 (hwy 27) over Arnold Creek in Lincoln County, Oregon. It was built in 1932, so it is 93 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 1,476 vehicles a day, roughly 16% of them trucks, projected to reach 1,600 by 2042. The structure is 79 ft (24.1 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesOr 34 (hwy 27)
CrossesArnold Creek
Location067 MI E HWY 9 JCT
RouteState Highway 34
StateOregon
Coordinates44.40565, -123.94957
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length79 ft (24.1 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,476 (2022)
Projected traffic1,600 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

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 34 (hwy 27) over Arnold Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Or 34 (hwy 27) over Arnold Creek 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 January 2024.

How much traffic does Or 34 (hwy 27) over Arnold Creek carry?

About 1,476 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Or 34 (hwy 27) over Arnold Creek?

The structure is 79 ft (24.1 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Or 34 (hwy 27) over Arnold Creek?

It is owned by the State Highway Agency.