US Bridges

Black Creek Road over Black Creek

Good

Grays Harbor County, Washington · 03.9 NE JCT 9519 · Structure no. 088339000000000

Built
2011
14 years old
Condition
Good
inspected December 2022
Type
Slab
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
127
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 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 127 vehicles a day, roughly 15% of them trucks, projected to reach 155 by 2042. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBlack Creek Road
CrossesBlack Creek
Location03.9 NE JCT 9519
RouteCounty Highway 58310
Coordinates47.04472, -123.65222
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
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 rating99 US tons
Inventory rating69 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2022)
Projected traffic155 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 2011, making it 14 years old in 2025.

What condition is Black Creek Road over Black 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 December 2022.

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

About 127 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Black Creek Road over Black Creek?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 28 ft wide.

Who owns Black Creek Road over Black Creek?

It is owned by the County Highway Agency.