US Bridges

Or 202 (hwy 102) over Nehalem River

Fair

Columbia County, Oregon · 0.5 MI W Birkenfeld · Structure no. 03139A102 04062

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
260 ft
3 main spans
Daily traffic
317
2022 count
Owner
State
State Highway Agency

About this bridge

Or 202 (hwy 102) over Nehalem River is a concrete continuous box beam or girders - multiple carrying Or 202 (hwy 102) over Nehalem River in Columbia County, Oregon. It was built in 1956, so it is 69 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 317 vehicles a day, roughly 15% of them trucks, projected to reach 360 by 2042. The structure is 260 ft (79.2 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesOr 202 (hwy 102)
CrossesNehalem River
Location0.5 MI W Birkenfeld
RouteState Highway 202
CountyColumbia County
StateOregon
Coordinates45.98904, -123.33889
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic317 (2022)
Projected traffic360 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 202 (hwy 102) over Nehalem River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Or 202 (hwy 102) over Nehalem 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 2024.

How much traffic does Or 202 (hwy 102) over Nehalem River carry?

About 317 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 202 (hwy 102) over Nehalem River?

The structure is 260 ft (79.2 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Or 202 (hwy 102) over Nehalem River?

It is owned by the State Highway Agency.