US Bridges

Sunshine RD/9080 over Paradise Creek

Good

Whitman County, Washington · .07 MI S SR 270 · Structure no. 087547000000000

Built
2007
18 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
503
2023 count
Owner
County
County Highway Agency

About this bridge

Sunshine RD/9080 over Paradise Creek is a prestressed concrete tee beam carrying Sunshine RD/9080 over Paradise Creek in Whitman 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 503 vehicles a day, roughly 25% of them trucks, projected to reach 503 by 2042. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSunshine RD/9080
CrossesParadise Creek
Location.07 MI S SR 270
RouteCounty Highway 90800
Coordinates46.7306, -117.08802
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span97 ft (29.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic503 (2023)
Projected traffic503 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunshine RD/9080 over Paradise Creek built?

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

What condition is Sunshine RD/9080 over Paradise 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 January 2025.

How much traffic does Sunshine RD/9080 over Paradise Creek carry?

About 503 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Sunshine RD/9080 over Paradise Creek?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.7 m) and a deck 30 ft wide.

Who owns Sunshine RD/9080 over Paradise Creek?

It is owned by the County Highway Agency.