US Bridges

Gerber Road over Foster Creek

Good

Clackamas County, Oregon · 5.1 MI East of Carver · Structure no. 19881 000 00000

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
133
2020 count
Owner
County
County Highway Agency

About this bridge

Gerber Road over Foster Creek is a prestressed concrete tee beam carrying Gerber Road over Foster Creek in Clackamas County, Oregon. It was built in 2003, so it is 22 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 133 vehicles a day, roughly 5% of them trucks, projected to reach 148 by 2025. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGerber Road
CrossesFoster Creek
Location5.1 MI East of Carver
RouteCounty Highway 0
StateOregon
Coordinates45.37643, -122.44228
Functional classRural Local

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 inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic133 (2020)
Projected traffic148 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Gerber Road over Foster Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Gerber Road over Foster 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 July 2024.

How much traffic does Gerber Road over Foster Creek carry?

About 133 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Gerber Road over Foster Creek?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns Gerber Road over Foster Creek?

It is owned by the County Highway Agency.