US Bridges

Road over Neskowin Creek

Fair

Tillamook County, Oregon · 5.6 MI from JCT or HWY 18 · Structure no. 061201000001102

Built
1979
46 years old
Condition
Fair
inspected July 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
30
1996 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Neskowin Creek is a concrete continuous box beam or girders - multiple carrying Road over Neskowin Creek in Tillamook County, Oregon. It was built in 1979, so it is 46 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 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 30 vehicles a day, projected to reach 45 by 2019. The structure is 137 ft (41.8 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesNeskowin Creek
Location5.6 MI from JCT or HWY 18
RouteFederal Lands Road 12000
StateOregon
Coordinates45.05814, -123.89585
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating96.1 US tons
Inventory rating61.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.8 m)
Longest span55 ft (16.8 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1996)
Projected traffic45 by 2019
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$880 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Neskowin Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Road over Neskowin 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 July 2022.

How much traffic does Road over Neskowin Creek carry?

About 30 vehicles per day (1996 count).

How long is Road over Neskowin Creek?

The structure is 137 ft (41.8 m) long with a longest span of 55 ft (16.8 m) and a deck 20 ft wide.

Who owns Road over Neskowin Creek?

It is owned by the U.S. Forest Service.