US Bridges

Forrest Road over Garrard Creek

Good

Grays Harbor County, Washington · O.1 MI S of Garrard CR RD · Structure no. 088149000000000

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
38
2020 count
Owner
County
County Highway Agency

About this bridge

Forrest Road over Garrard Creek is a prestressed concrete slab carrying Forrest Road over Garrard Creek in Grays Harbor County, Washington. It was built in 2009, so it is 16 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 38 vehicles a day, roughly 5% of them trucks, projected to reach 46 by 2040. The structure is 75 ft (22.9 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesForrest Road
CrossesGarrard Creek
LocationO.1 MI S of Garrard CR RD
RouteCounty Highway 69290
Coordinates46.80434, -123.2878
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating55.3 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 width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2020)
Projected traffic46 by 2040
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forrest Road over Garrard Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Forrest Road over Garrard 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 2024.

How much traffic does Forrest Road over Garrard Creek carry?

About 38 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Forrest Road over Garrard Creek?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 24 ft wide.

Who owns Forrest Road over Garrard Creek?

It is owned by the County Highway Agency.