US Bridges

Gibson Road over Garrett Creek

PoorPosted for load

Clackamas County, Oregon · 01.5 MI W of HWY 213 · Structure no. 06163 000

Built
1962
63 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
77 ft
4 main spans
Daily traffic
82
2020 count
Owner
County
County Highway Agency

About this bridge

Gibson Road over Garrett Creek is a wood or timber stringer/multi-beam or girder carrying Gibson Road over Garrett Creek in Clackamas County, Oregon. It was built in 1962, so it is 63 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 82 vehicles a day, roughly 25% of them trucks, projected to reach 82 by 2025. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGibson Road
CrossesGarrett Creek
Location01.5 MI W of HWY 213
RouteCounty Highway C0123
StateOregon
Coordinates45.11452, -122.65619
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length77 ft (23.5 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (2020)
Projected traffic82 by 2025
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gibson Road over Garrett Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Gibson Road over Garrett Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Gibson Road over Garrett Creek carry?

About 82 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is Gibson Road over Garrett Creek?

The structure is 77 ft (23.5 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Gibson Road over Garrett Creek?

It is owned by the County Highway Agency.