US Bridges

Sylvan Connection over HWY 47 US 26

Fair

Multnomah County, Oregon · 3.2 MI W of Portland Cc · Structure no. 18674 047C07132

Built
2002
23 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
205 ft
1 main span
Daily traffic
15,124
2022 count
Owner
State
State Highway Agency

About this bridge

Sylvan Connection over HWY 47 US 26 is a steel box beam or girders - single or spread carrying Sylvan Connection over HWY 47 US 26 in Multnomah County, Oregon. It was built in 2002, so it is 23 years old, younger 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.

It carries about 15,124 vehicles a day, roughly 4% of them trucks, projected to reach 19,500 by 2030. The structure is 205 ft (62.4 m) long and 117 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSylvan Connection
CrossesHWY 47 US 26
Location3.2 MI W of Portland Cc
RouteState Highway 26
CountyMultnomah County
StateOregon
Coordinates45.50876, -122.7361
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length205 ft (62.4 m)
Longest span205 ft (62.4 m)
Deck width117 ft (35.8 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,124 (2022)
Projected traffic19,500 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sylvan Connection over HWY 47 US 26 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Sylvan Connection over HWY 47 US 26 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 October 2024.

How much traffic does Sylvan Connection over HWY 47 US 26 carry?

About 15,124 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Sylvan Connection over HWY 47 US 26?

The structure is 205 ft (62.4 m) long with a longest span of 205 ft (62.4 m) and a deck 117 ft wide.

Who owns Sylvan Connection over HWY 47 US 26?

It is owned by the State Highway Agency.