US Bridges

US 26 (hwy 026)CO over Railroad

Fair

Multnomah County, Oregon · 1.5 MI SE Portland Cc · Structure no. 06767 026 00099

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
517 ft
6 main spans
Daily traffic
23,286
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 026)CO over Railroad is a steel stringer/multi-beam or girder carrying US 26 (hwy 026)CO over Railroad in Multnomah County, Oregon. It was built in 1956, so it is 69 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 6 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 23,286 vehicles a day, roughly 1% of them trucks, projected to reach 31,550 by 2042. The structure is 517 ft (157.6 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 26 (hwy 026)CO
CrossesRailroad
Location1.5 MI SE Portland Cc
RouteU.S. Route 26
CountyMultnomah County
StateOregon
Coordinates45.50115, -122.66103
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length517 ft (157.6 m)
Longest span112 ft (34.1 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,286 (2022)
Projected traffic31,550 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 26 (hwy 026)CO over Railroad built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 26 (hwy 026)CO over Railroad 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 May 2023.

How much traffic does US 26 (hwy 026)CO over Railroad carry?

About 23,286 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is US 26 (hwy 026)CO over Railroad?

The structure is 517 ft (157.6 m) long with a longest span of 112 ft (34.1 m) and a deck 23 ft wide.

Who owns US 26 (hwy 026)CO over Railroad?

It is owned by the State Highway Agency.