US Bridges

West Second Street over Prairie Creek

Fair

Wallowa County, Oregon · 3 Blocks S of HWY 82 · Structure no. 63B012000000000

Built
1915
110 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
235
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Second Street over Prairie Creek is a concrete arch - deck carrying West Second Street over Prairie Creek in Wallowa County, Oregon. It was built in 1915, so it is 110 years old, older 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 5 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 235 vehicles a day, roughly 2% of them trucks, projected to reach 270 by 2025. The structure is 34 ft (10.4 m) long and 32 ft wide.

CarriesWest Second Street
CrossesPrairie Creek
Location3 Blocks S of HWY 82
RouteCity Street 0
StateOregon
Coordinates45.42334, -117.2801
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2020)
Projected traffic270 by 2025
Trucks2%
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was West Second Street over Prairie Creek built?

It was built in 1915, making it 110 years old in 2025.

What condition is West Second Street over Prairie 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 September 2024.

How much traffic does West Second Street over Prairie Creek carry?

About 235 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is West Second Street over Prairie Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns West Second Street over Prairie Creek?

It is owned by the City or Municipal Highway Agency.