US Bridges

Rocky Creek Road over Rocky Creek

Good

Stevens County, Washington · .93 SE JCT Aladdin Rd. · Structure no. 087784000000000

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Rocky Creek Road over Rocky Creek is a prestressed concrete stringer/multi-beam or girder carrying Rocky Creek Road over Rocky Creek in Stevens County, Washington. It was built in 2007, so it is 18 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 15% of them trucks, projected to reach 60 by 2037. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesRocky Creek Road
CrossesRocky Creek
Location.93 SE JCT Aladdin Rd.
RouteCounty Highway 46990
Coordinates48.72226, -117.66102
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.
Superstructure7 GoodSome minor problems.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating42.1 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic60 by 2037
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Rocky Creek Road over Rocky Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Rocky Creek Road over Rocky 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 Rocky Creek Road over Rocky Creek carry?

About 40 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Rocky Creek Road over Rocky Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 25 ft wide.

Who owns Rocky Creek Road over Rocky Creek?

It is owned by the County Highway Agency.