US Bridges

HWY 092 over Miller Creek

Fair

Multnomah County, Oregon · 3.1 MI W ST Johns Br · Structure no. 18940 02W 01000

Built
2002
23 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
27,593
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 092 over Miller Creek is a prestressed concrete stringer/multi-beam or girder carrying HWY 092 over Miller Creek in Multnomah County, Oregon. It was built in 2002, so it is 23 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 27,593 vehicles a day, roughly 8% of them trucks, projected to reach 34,500 by 2042. The structure is 131 ft (40 m) long and 75 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesHWY 092
CrossesMiller Creek
Location3.1 MI W ST Johns Br
RouteU.S. Route 30
StateOregon
Coordinates45.61772, -122.80663
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length131 ft (40 m)
Longest span131 ft (40 m)
Deck width75 ft (22.8 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,593 (2022)
Projected traffic34,500 by 2042
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 092 over Miller Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is HWY 092 over Miller Creek 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 October 2023.

How much traffic does HWY 092 over Miller Creek carry?

About 27,593 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is HWY 092 over Miller Creek?

The structure is 131 ft (40 m) long with a longest span of 131 ft (40 m) and a deck 75 ft wide.

Who owns HWY 092 over Miller Creek?

It is owned by the State Highway Agency.