US Bridges

Or 202 (hwy 102) over Nehalem River

Fair

Columbia County, Oregon · 2.5 MI E Birkenfeld · Structure no. 20848 102 04370

Built
2010
15 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
249 ft
3 main spans
Daily traffic
787
2022 count
Owner
State
State Highway Agency

About this bridge

Or 202 (hwy 102) over Nehalem River is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 202 (hwy 102) over Nehalem River in Columbia County, Oregon. It was built in 2010, so it is 15 years old, younger 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 5 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 787 vehicles a day, roughly 29% of them trucks, projected to reach 830 by 2042. The structure is 249 ft (75.9 m) long and 43 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

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CarriesOr 202 (hwy 102)
CrossesNehalem River
Location2.5 MI E Birkenfeld
RouteState Highway 202
CountyColumbia County
StateOregon
Coordinates46.01248, -123.2975
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length249 ft (75.9 m)
Longest span102 ft (31.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic787 (2022)
Projected traffic830 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 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 2010, making it 15 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 787 vehicles per day (2022 count), of which roughly 29% are trucks.

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

The structure is 249 ft (75.9 m) long with a longest span of 102 ft (31.1 m) and a deck 43 ft wide.

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

It is owned by the State Highway Agency.