US Bridges

Or 18 (hwy 39) over Bear Creek

Fair

Lincoln County, Oregon · 040 MI E HWY 9 · Structure no. 04190 039 00396

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
99 ft
3 main spans
Daily traffic
8,904
2022 count
Owner
State
State Highway Agency

About this bridge

Or 18 (hwy 39) over Bear Creek is a concrete stringer/multi-beam or girder carrying Or 18 (hwy 39) over Bear Creek in Lincoln County, Oregon. It was built in 1930 and reconstructed in 1970, so it is 95 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.

It carries about 8,904 vehicles a day, roughly 4% of them trucks, projected to reach 10,400 by 2042. The structure is 99 ft (30.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOr 18 (hwy 39)
CrossesBear Creek
Location040 MI E HWY 9
RouteState Highway 18
StateOregon
Coordinates45.00256, -123.90337
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating50 US tons
Inventory rating29 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.3 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,904 (2022)
Projected traffic10,400 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 18 (hwy 39) over Bear Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is Or 18 (hwy 39) over Bear 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 November 2024.

How much traffic does Or 18 (hwy 39) over Bear Creek carry?

About 8,904 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Or 18 (hwy 39) over Bear Creek?

The structure is 99 ft (30.3 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns Or 18 (hwy 39) over Bear Creek?

It is owned by the State Highway Agency.