US Bridges

Pearson RD over Ferris Creek

Good

Clatsop County, Oregon · MP 0.08 Pearson Rd. · Structure no. 19852 040200008

Built
2010
15 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
225
2020 count
Owner
County
County Highway Agency

About this bridge

Pearson RD over Ferris Creek is a prestressed concrete slab carrying Pearson RD over Ferris Creek in Clatsop 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 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 225 vehicles a day, roughly 10% of them trucks, projected to reach 245 by 2025. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPearson RD
CrossesFerris Creek
LocationMP 0.08 Pearson Rd.
RouteCounty Highway C0402
StateOregon
Coordinates46.16378, -123.64682
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum 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 length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic245 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Pearson RD over Ferris Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Pearson RD over Ferris 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 March 2023.

How much traffic does Pearson RD over Ferris Creek carry?

About 225 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Pearson RD over Ferris Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns Pearson RD over Ferris Creek?

It is owned by the County Highway Agency.