US Bridges

Bridge Lane over North Fork Nehalem River

Fair

Clatsop County, Oregon · MP 0.1 · Structure no. 24087 000 00001

Built
1936
89 years old, rebuilt 2023
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
147 ft
1 main span
Daily traffic
60
2021 count
Owner
Local
Other Local Agency

About this bridge

Bridge Lane over North Fork Nehalem River is a prestressed concrete box beam or girders - multiple carrying Bridge Lane over North Fork Nehalem River in Clatsop County, Oregon. It was built in 1936 and reconstructed in 2023, so it is 89 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 60 vehicles a day, roughly 1% of them trucks, projected to reach 72 by 2041. The structure is 147 ft (44.7 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBridge Lane
CrossesNorth Fork Nehalem River
LocationMP 0.1
RouteCounty Highway C0000
StateOregon
Coordinates45.78502, -123.822
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length147 ft (44.7 m)
Longest span107 ft (32.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic72 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge Lane over North Fork Nehalem River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2023.

What condition is Bridge Lane over North Fork 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 June 2023.

How much traffic does Bridge Lane over North Fork Nehalem River carry?

About 60 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Bridge Lane over North Fork Nehalem River?

The structure is 147 ft (44.7 m) long with a longest span of 107 ft (32.6 m) and a deck 16 ft wide.

Who owns Bridge Lane over North Fork Nehalem River?

It is owned by the Other Local Agency.