US Bridges

Arcade Street over Blackhorse Creek

Good

Morrow County, Oregon · 0.11 Mi. S. E Street · Structure no. 49051A000000000

Built
1982
43 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
58
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Arcade Street over Blackhorse Creek is a prestressed concrete slab carrying Arcade Street over Blackhorse Creek in Morrow County, Oregon. It was built in 1982, so it is 43 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 58 vehicles a day, roughly 1% of them trucks, projected to reach 73 by 2025. The structure is 61 ft (18.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesArcade Street
CrossesBlackhorse Creek
Location0.11 Mi. S. E Street
RouteCounty Highway 0
StateOregon
Coordinates45.44532, -119.68683
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2020)
Projected traffic73 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Arcade Street over Blackhorse Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Arcade Street over Blackhorse 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 August 2024.

How much traffic does Arcade Street over Blackhorse Creek carry?

About 58 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Arcade Street over Blackhorse Creek?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns Arcade Street over Blackhorse Creek?

It is owned by the City or Municipal Highway Agency.