US Bridges

Brookwood Ave over Rock Creek

Good

Washington County, Oregon · 010 N Tv Hwy. · Structure no. 67H003000000000

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
118 ft
2 main spans
Daily traffic
13,577
2020 count
Owner
County
County Highway Agency

About this bridge

Brookwood Ave over Rock Creek is a prestressed concrete slab carrying Brookwood Ave over Rock Creek in Washington County, Oregon. It was built in 1988, so it is 37 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 13,577 vehicles a day, roughly 5% of them trucks, projected to reach 14,974 by 2025. The structure is 118 ft (36 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBrookwood Ave
CrossesRock Creek
Location010 N Tv Hwy.
RouteCity Street 0
StateOregon
Coordinates45.50832, -122.9336
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length118 ft (36 m)
Longest span57 ft (17.4 m)
Deck width57 ft (17.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,577 (2020)
Projected traffic14,974 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$605,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Brookwood Ave over Rock Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Brookwood Ave over Rock 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 September 2024.

How much traffic does Brookwood Ave over Rock Creek carry?

About 13,577 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Brookwood Ave over Rock Creek?

The structure is 118 ft (36 m) long with a longest span of 57 ft (17.4 m) and a deck 57 ft wide.

Who owns Brookwood Ave over Rock Creek?

It is owned by the County Highway Agency.