US Bridges

SW 7th ST over Johnson Creek

Good

Multnomah County, Oregon · 001 MI S of HWY 026 · Structure no. 19195 000 00000

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
605
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW 7th ST over Johnson Creek is a prestressed concrete slab carrying SW 7th ST over Johnson Creek in Multnomah County, Oregon. It was built in 2001, so it is 24 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 605 vehicles a day, roughly 2% of them trucks, projected to reach 648 by 2025. The structure is 138 ft (42.1 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 7th ST
CrossesJohnson Creek
Location001 MI S of HWY 026
RouteCity Street 0
StateOregon
Coordinates45.49518, -122.43958
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length138 ft (42.1 m)
Longest span63 ft (19.2 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic605 (2020)
Projected traffic648 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$697,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 7th ST over Johnson Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is SW 7th ST over Johnson Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SW 7th ST over Johnson Creek carry?

About 605 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SW 7th ST over Johnson Creek?

The structure is 138 ft (42.1 m) long with a longest span of 63 ft (19.2 m) and a deck 52 ft wide.

Who owns SW 7th ST over Johnson Creek?

It is owned by the City or Municipal Highway Agency.