US Bridges

197th Ave over Beaverton Creek

Fair

Washington County, Oregon · 001 MI S Baseline RD · Structure no. 671329095200001

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
7,559
2020 count
Owner
County
County Highway Agency

About this bridge

197th Ave over Beaverton Creek is a prestressed concrete slab carrying 197th Ave over Beaverton Creek in Washington County, Oregon. It was built in 1971, so it is 54 years old, older 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 7,559 vehicles a day, roughly 5% of them trucks, projected to reach 8,309 by 2025. The structure is 75 ft (22.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries197th Ave
CrossesBeaverton Creek
Location001 MI S Baseline RD
RouteCounty Highway C2132
CountyWashington County
StateOregon
Coordinates45.51412, -122.8795
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,559 (2020)
Projected traffic8,309 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$384,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 197th Ave over Beaverton Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is 197th Ave over Beaverton 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 September 2024.

How much traffic does 197th Ave over Beaverton Creek carry?

About 7,559 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 197th Ave over Beaverton Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns 197th Ave over Beaverton Creek?

It is owned by the County Highway Agency.