US Bridges

Cascade Trace RD over Neskowin Creek

Good

Tillamook County, Oregon · 060 SE Neskowin · Structure no. 18984 325100015

Built
2002
23 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
94
2020 count
Owner
County
County Highway Agency

About this bridge

Cascade Trace RD over Neskowin Creek is a prestressed concrete slab carrying Cascade Trace RD over Neskowin Creek in Tillamook County, Oregon. It was built in 2002, so it is 23 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 94 vehicles a day, projected to reach 114 by 2025. The structure is 67 ft (20.3 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCascade Trace RD
CrossesNeskowin Creek
Location060 SE Neskowin
RouteCounty Highway C3251
StateOregon
Coordinates45.06319, -123.91484
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length67 ft (20.3 m)
Longest span66 ft (20 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2020)
Projected traffic114 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cascade Trace RD over Neskowin Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Cascade Trace RD over Neskowin Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Cascade Trace RD over Neskowin Creek carry?

About 94 vehicles per day (2020 count).

How long is Cascade Trace RD over Neskowin Creek?

The structure is 67 ft (20.3 m) long with a longest span of 66 ft (20 m) and a deck 16 ft wide.

Who owns Cascade Trace RD over Neskowin Creek?

It is owned by the County Highway Agency.