US Bridges

Brooten RD over Slough

Good

Tillamook County, Oregon · 0.05 MI S Pacific City · Structure no. 11386 887 00175

Built
1990
35 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
4,179
2020 count
Owner
County
County Highway Agency

About this bridge

Brooten RD over Slough is a prestressed concrete slab carrying Brooten RD over Slough in Tillamook County, Oregon. It was built in 1990, so it is 35 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 4,179 vehicles a day, roughly 15% of them trucks, projected to reach 4,929 by 2025. The structure is 71 ft (21.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBrooten RD
CrossesSlough
Location0.05 MI S Pacific City
RouteCounty Highway A0720
StateOregon
Coordinates45.19597, -123.95685
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,179 (2020)
Projected traffic4,929 by 2025
Trucks15%
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 Brooten RD over Slough built?

It was built in 1990, making it 35 years old in 2025.

What condition is Brooten RD over Slough 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 Brooten RD over Slough carry?

About 4,179 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Brooten RD over Slough?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.

Who owns Brooten RD over Slough?

It is owned by the County Highway Agency.