US Bridges

HWY 102 over N. Fork Klaskanine River

Fair

Clatsop County, Oregon · 062 MI SE Olney · Structure no. 01964 102 01576

Built
1934
91 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
328
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 102 over N. Fork Klaskanine River is a steel stringer/multi-beam or girder carrying HWY 102 over N. Fork Klaskanine River in Clatsop County, Oregon. It was built in 1934, so it is 91 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 328 vehicles a day, roughly 15% of them trucks, projected to reach 350 by 2042. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesHWY 102
CrossesN. Fork Klaskanine River
Location062 MI SE Olney
RouteState Highway 202
CountyClatsop County
StateOregon
Coordinates46.05392, -123.66807
Functional classRural Major Collector

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.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating72.1 US tons
Inventory rating55.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic328 (2022)
Projected traffic350 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 102 over N. Fork Klaskanine River built?

It was built in 1934, making it 91 years old in 2025.

What condition is HWY 102 over N. Fork Klaskanine 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 October 2023.

How much traffic does HWY 102 over N. Fork Klaskanine River carry?

About 328 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is HWY 102 over N. Fork Klaskanine River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns HWY 102 over N. Fork Klaskanine River?

It is owned by the State Highway Agency.