US Bridges

Greenwood Street over Prairie Creek

Good

Wallowa County, Oregon · 2 Blks. So. HWY 82 · Structure no. 18290 000000000

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
80
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Greenwood Street over Prairie Creek is a prestressed concrete slab carrying Greenwood Street over Prairie Creek in Wallowa County, Oregon. It was built in 1997, so it is 28 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 80 vehicles a day, roughly 1% of them trucks, projected to reach 92 by 2025. The structure is 31 ft (9.4 m) long and 36 ft wide.

CarriesGreenwood Street
CrossesPrairie Creek
Location2 Blks. So. HWY 82
RouteCity Street C0000
StateOregon
Coordinates45.42458, -117.28387
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic92 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Greenwood Street over Prairie Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Greenwood Street over Prairie 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 September 2024.

How much traffic does Greenwood Street over Prairie Creek carry?

About 80 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Greenwood Street over Prairie Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns Greenwood Street over Prairie Creek?

It is owned by the City or Municipal Highway Agency.