US Bridges

Old 30 Svensen over Bear Creek

Fair

Clatsop County, Oregon · 004 MI S HWY 30 · Structure no. 07C13 041700010

Built
1923
102 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
63 ft
2 main spans
Daily traffic
490
2020 count
Owner
County
County Highway Agency

About this bridge

Old 30 Svensen over Bear Creek is a concrete continuous tee beam carrying Old 30 Svensen over Bear Creek in Clatsop County, Oregon. It was built in 1923, so it is 102 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 490 vehicles a day, roughly 10% of them trucks, projected to reach 570 by 2025. The structure is 63 ft (19.2 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOld 30 Svensen
CrossesBear Creek
Location004 MI S HWY 30
RouteCounty Highway C0417
StateOregon
Coordinates46.16319, -123.66615
Functional classRural Local

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span32 ft (9.8 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2020)
Projected traffic570 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$323,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old 30 Svensen over Bear Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Old 30 Svensen 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 March 2023.

How much traffic does Old 30 Svensen over Bear Creek carry?

About 490 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Old 30 Svensen over Bear Creek?

The structure is 63 ft (19.2 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.

Who owns Old 30 Svensen over Bear Creek?

It is owned by the County Highway Agency.