US Bridges

Gordon Road over Jackson Creek

Good

Clackamas County, Oregon · 0.2 MI S of Engstrom RD · Structure no. 05322 000

Built
1979
46 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
47
2020 count
Owner
County
County Highway Agency

About this bridge

Gordon Road over Jackson Creek is a prestressed concrete slab carrying Gordon Road over Jackson Creek in Clackamas County, Oregon. It was built in 1979, so it is 46 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 47 vehicles a day, roughly 31% of them trucks, projected to reach 51 by 2025. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGordon Road
CrossesJackson Creek
Location0.2 MI S of Engstrom RD
RouteCounty Highway C1110
StateOregon
Coordinates45.17673, -122.3836
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2020)
Projected traffic51 by 2025
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gordon Road over Jackson Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Gordon Road over Jackson 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 April 2023.

How much traffic does Gordon Road over Jackson Creek carry?

About 47 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is Gordon Road over Jackson Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Gordon Road over Jackson Creek?

It is owned by the County Highway Agency.