US Bridges

NW Reeder Rd. over Dairy Creek

Fair

Multnomah County, Oregon · MP 4.89 · Structure no. 22750 000 00489

Built
2018
7 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
1,300
2020 count
Owner
County
County Highway Agency

About this bridge

NW Reeder Rd. over Dairy Creek is a prestressed concrete box beam or girders - multiple carrying NW Reeder Rd. over Dairy Creek in Multnomah County, Oregon. It was built in 2018, so it is 7 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 1,300 vehicles a day, roughly 1% of them trucks, projected to reach 1,560 by 2025. The structure is 97 ft (29.7 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNW Reeder Rd.
CrossesDairy Creek
LocationMP 4.89
RouteCounty Highway 0
CountyMultnomah County
StateOregon
Coordinates45.70153, -122.78104
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating70 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length97 ft (29.7 m)
Longest span95 ft (29 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2020)
Projected traffic1,560 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 NW Reeder Rd. over Dairy Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is NW Reeder Rd. over Dairy 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 July 2024.

How much traffic does NW Reeder Rd. over Dairy Creek carry?

About 1,300 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NW Reeder Rd. over Dairy Creek?

The structure is 97 ft (29.7 m) long with a longest span of 95 ft (29 m) and a deck 40 ft wide.

Who owns NW Reeder Rd. over Dairy Creek?

It is owned by the County Highway Agency.