US Bridges

Yeon/Front-Nw 26th over B-129 over Bn/Sfrr

Fair

Multnomah County, Oregon · NW Front/Nw Yeon Connect · Structure no. 16660 000000000

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,320 ft
3 main spans
Daily traffic
5,200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Yeon/Front-Nw 26th over B-129 over Bn/Sfrr is a steel continuous stringer/multi-beam or girder carrying Yeon/Front-Nw 26th over B-129 over Bn/Sfrr in Multnomah County, Oregon. It was built in 1987, so it is 38 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 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 5,200 vehicles a day, roughly 20% of them trucks, projected to reach 5,890 by 2025. The structure is 1,320 ft (402.3 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesYeon/Front-Nw 26th
CrossesB-129 over Bn/Sfrr
LocationNW Front/Nw Yeon Connect
RouteCity Street 9301
CountyMultnomah County
StateOregon
Coordinates45.54581, -122.70335
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadHS 25 or greater
Structure length1,320 ft (402.3 m)
Longest span204 ft (62.2 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2020)
Projected traffic5,890 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Yeon/Front-Nw 26th over B-129 over Bn/Sfrr built?

It was built in 1987, making it 38 years old in 2025.

What condition is Yeon/Front-Nw 26th over B-129 over Bn/Sfrr 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 September 2024.

How much traffic does Yeon/Front-Nw 26th over B-129 over Bn/Sfrr carry?

About 5,200 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Yeon/Front-Nw 26th over B-129 over Bn/Sfrr?

The structure is 1,320 ft (402.3 m) long with a longest span of 204 ft (62.2 m) and a deck 49 ft wide.

Who owns Yeon/Front-Nw 26th over B-129 over Bn/Sfrr?

It is owned by the City or Municipal Highway Agency.