US Bridges

North Lombard ST over B-172 S Rivergate Br.

Fair

Multnomah County, Oregon · Unknown · Structure no. 19656 000 00000

Built
2004
21 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,568 ft
6 main spans
Daily traffic
6,965
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Lombard ST over B-172 S Rivergate Br. is a prestressed concrete continuous stringer/multi-beam or girder carrying North Lombard ST over B-172 S Rivergate Br. in Multnomah County, Oregon. It was built in 2004, so it is 21 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 6,965 vehicles a day, roughly 20% of them trucks, projected to reach 7,715 by 2025. The structure is 1,568 ft (478 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNorth Lombard ST
CrossesB-172 S Rivergate Br.
LocationUnknown
RouteCity Street 9958
StateOregon
Coordinates45.61525, -122.7636
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+3 approach)
Design loadHS 25 or greater
Structure length1,568 ft (478 m)
Longest span272 ft (83 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,965 (2020)
Projected traffic7,715 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed5 mi (8 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 North Lombard ST over B-172 S Rivergate Br. built?

It was built in 2004, making it 21 years old in 2025.

What condition is North Lombard ST over B-172 S Rivergate Br. 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 July 2024.

How much traffic does North Lombard ST over B-172 S Rivergate Br. carry?

About 6,965 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is North Lombard ST over B-172 S Rivergate Br.?

The structure is 1,568 ft (478 m) long with a longest span of 272 ft (83 m) and a deck 44 ft wide.

Who owns North Lombard ST over B-172 S Rivergate Br.?

It is owned by the City or Municipal Highway Agency.