US Bridges

SE Bybee Blvd over B-171 Bybee Bridge

Fair

Multnomah County, Oregon · SE 99E & SE Bybee Blvd · Structure no. 19732 000 00001

Built
2005
20 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
336 ft
3 main spans
Daily traffic
20,739
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE Bybee Blvd over B-171 Bybee Bridge is a prestressed concrete continuous box beam or girders - multiple carrying SE Bybee Blvd over B-171 Bybee Bridge in Multnomah County, Oregon. It was built in 2005, so it is 20 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 20,739 vehicles a day, roughly 5% of them trucks, projected to reach 29,614 by 2025. The structure is 336 ft (102.3 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSE Bybee Blvd
CrossesB-171 Bybee Bridge
LocationSE 99E & SE Bybee Blvd
RouteCity Street 9760
StateOregon
Coordinates45.47428, -122.63957
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length336 ft (102.3 m)
Longest span131 ft (40 m)
Deck width51 ft (15.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,739 (2020)
Projected traffic29,614 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SE Bybee Blvd over B-171 Bybee Bridge built?

It was built in 2005, making it 20 years old in 2025.

What condition is SE Bybee Blvd over B-171 Bybee Bridge 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 August 2024.

How much traffic does SE Bybee Blvd over B-171 Bybee Bridge carry?

About 20,739 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SE Bybee Blvd over B-171 Bybee Bridge?

The structure is 336 ft (102.3 m) long with a longest span of 131 ft (40 m) and a deck 51 ft wide.

Who owns SE Bybee Blvd over B-171 Bybee Bridge?

It is owned by the City or Municipal Highway Agency.