US Bridges

IRR BIA RTE 285 over Bird Creek

Fair

Yakima County, Washington · 19.3 KM NW of Glenwood · Structure no. 00000000000P161

Built
1998
27 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
30
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 285 over Bird Creek is a steel stringer/multi-beam or girder carrying IRR BIA RTE 285 over Bird Creek in Yakima County, Washington. It was built in 1998, so it is 27 years old, younger than the Washington average of 49.8 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 30 vehicles a day, roughly 30% of them trucks, projected to reach 60 by 2041. The structure is 20 ft (6.1 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR BIA RTE 285
CrossesBird Creek
Location19.3 KM NW of Glenwood
RouteFederal Lands Road 285
Coordinates46.11704, -121.4244
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.4 US tons
Inventory rating22.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length20 ft (6.1 m)
Longest span17 ft (5.2 m)
Deck width14 ft (4.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2021)
Projected traffic60 by 2041
Trucks30%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 285 over Bird Creek built?

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

What condition is IRR BIA RTE 285 over Bird 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 August 2024.

How much traffic does IRR BIA RTE 285 over Bird Creek carry?

About 30 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is IRR BIA RTE 285 over Bird Creek?

The structure is 20 ft (6.1 m) long with a longest span of 17 ft (5.2 m) and a deck 14 ft wide.

Who owns IRR BIA RTE 285 over Bird Creek?

It is owned by the Bureau of Indian Affairs.