US Bridges

Black Creek Road over Black Creek

Fair

Grays Harbor County, Washington · 03.6 NE JCT 9519 · Structure no. 081772000000000

Built
1977
48 years old
Condition
Fair
inspected December 2022
Type
Slab
Prestressed Concrete
Length
63 ft
3 main spans
Daily traffic
117
2022 count
Owner
County
County Highway Agency

About this bridge

Black Creek Road over Black Creek is a prestressed concrete slab carrying Black Creek Road over Black Creek in Grays Harbor County, Washington. It was built in 1977, so it is 48 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 117 vehicles a day, roughly 15% of them trucks, projected to reach 143 by 2042. The structure is 63 ft (19.2 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBlack Creek Road
CrossesBlack Creek
Location03.6 NE JCT 9519
RouteCounty Highway 58310
Coordinates47.04111, -123.65
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length63 ft (19.2 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2022)
Projected traffic143 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Black Creek Road over Black Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Black Creek Road over Black 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 December 2022.

How much traffic does Black Creek Road over Black Creek carry?

About 117 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Black Creek Road over Black Creek?

The structure is 63 ft (19.2 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Black Creek Road over Black Creek?

It is owned by the County Highway Agency.