US Bridges

Arata RD (ne 238) over UPRR

Good

Multnomah County, Oregon · 1.5 MI W Sandy River · Structure no. 17356 002 01597

Built
1998
27 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
15,430
2020 count
Owner
County
County Highway Agency

About this bridge

Arata RD (ne 238) over UPRR is a prestressed concrete slab carrying Arata RD (ne 238) over UPRR in Multnomah County, Oregon. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,430 vehicles a day, roughly 5% of them trucks, projected to reach 16,180 by 2025. The structure is 70 ft (21.3 m) long and 123 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesArata RD (ne 238)
CrossesUPRR
Location1.5 MI W Sandy River
RouteCounty Highway 0
StateOregon
Coordinates45.5392, -122.41836
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior 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 spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width123 ft (37.5 m)
Roadway width106 ft (32.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,430 (2020)
Projected traffic16,180 by 2025
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 Arata RD (ne 238) over UPRR built?

It was built in 1998, making it 27 years old in 2025.

What condition is Arata RD (ne 238) over UPRR 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 Arata RD (ne 238) over UPRR carry?

About 15,430 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Arata RD (ne 238) over UPRR?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 123 ft wide.

Who owns Arata RD (ne 238) over UPRR?

It is owned by the County Highway Agency.