US Bridges

Sullivan Lake RD over Harvey Creek

GoodPosted for load

Pend Oreille County, Washington · 7 Miles E/O HWY 31 (ione) · Structure no. 084127000000000

Built
1963
62 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
258
2022 count
Owner
County
County Highway Agency

About this bridge

Sullivan Lake RD over Harvey Creek is a prestressed concrete tee beam carrying Sullivan Lake RD over Harvey Creek in Pend Oreille County, Washington. It was built in 1963, so it is 62 years old, older 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. Its operating status is: posted for load restriction.

It carries about 258 vehicles a day, roughly 20% of them trucks, projected to reach 300 by 2042. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSullivan Lake RD
CrossesHarvey Creek
Location7 Miles E/O HWY 31 (ione)
RouteCounty Highway 93450
Coordinates48.76919, -117.29628
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2022)
Projected traffic300 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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$1.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sullivan Lake RD over Harvey Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Sullivan Lake RD over Harvey 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 August 2024.

How much traffic does Sullivan Lake RD over Harvey Creek carry?

About 258 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Sullivan Lake RD over Harvey Creek?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Sullivan Lake RD over Harvey Creek?

It is owned by the County Highway Agency.