US Bridges

Old Tv HWY #47 over Carpenter Creek

FairPosted for load

Washington County, Oregon · 007 MI S Forest Grove · Structure no. 671269002902058

Built
1953
72 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
65 ft
3 main spans
Daily traffic
1,230
2020 count
Owner
County
County Highway Agency

About this bridge

Old Tv HWY #47 over Carpenter Creek is a wood or timber stringer/multi-beam or girder carrying Old Tv HWY #47 over Carpenter Creek in Washington County, Oregon. It was built in 1953, so it is 72 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,230 vehicles a day, roughly 10% of them trucks, projected to reach 1,357 by 2025. The structure is 65 ft (19.8 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOld Tv HWY #47
CrossesCarpenter Creek
Location007 MI S Forest Grove
RouteCounty Highway C1204
StateOregon
Coordinates45.50326, -123.11721
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 15
Structure length65 ft (19.8 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2020)
Projected traffic1,357 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Old Tv HWY #47 over Carpenter Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Old Tv HWY #47 over Carpenter 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 August 2024.

How much traffic does Old Tv HWY #47 over Carpenter Creek carry?

About 1,230 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Old Tv HWY #47 over Carpenter Creek?

The structure is 65 ft (19.8 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Old Tv HWY #47 over Carpenter Creek?

It is owned by the County Highway Agency.