US Bridges

Nile Rd. over Rattlesnake Creek

Fair

Yakima County, Washington · 0.01 N Fs Rd. 1500 · Structure no. 086268000000000

Built
1996
29 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
756
2023 count
Owner
County
County Highway Agency

About this bridge

Nile Rd. over Rattlesnake Creek is a prestressed concrete stringer/multi-beam or girder carrying Nile Rd. over Rattlesnake Creek in Yakima County, Washington. It was built in 1996, so it is 29 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 6 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 756 vehicles a day, roughly 5% of them trucks, projected to reach 1,250 by 2043. The structure is 43 ft (13.1 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesNile Rd.
CrossesRattlesnake Creek
Location0.01 N Fs Rd. 1500
RouteCounty Highway 15500
CountyYakima County
StateWashington
Coordinates46.81918, -120.93366
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic756 (2023)
Projected traffic1,250 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nile Rd. over Rattlesnake Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nile Rd. over Rattlesnake 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 March 2023.

How much traffic does Nile Rd. over Rattlesnake Creek carry?

About 756 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nile Rd. over Rattlesnake Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Nile Rd. over Rattlesnake Creek?

It is owned by the County Highway Agency.