US Bridges

South Bank Road over Davis Creek

Good

Grays Harbor County, Washington · 0.4 N Garrard Creek RD · Structure no. 088340000000000

Built
2011
14 years old
Condition
Good
inspected February 2023
Type
Culvert
Steel
Length
41 ft
1 main span
Daily traffic
807
2023 count
Owner
County
County Highway Agency

About this bridge

South Bank Road over Davis Creek is a steel culvert carrying South Bank Road over Davis 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 807 vehicles a day, roughly 19% of them trucks, projected to reach 984 by 2043. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSouth Bank Road
CrossesDavis Creek
Location0.4 N Garrard Creek RD
RouteCounty Highway 96411
Coordinates46.83417, -123.26417
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic807 (2023)
Projected traffic984 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Bank Road over Davis Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is South Bank Road over Davis 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 February 2023.

How much traffic does South Bank Road over Davis Creek carry?

About 807 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is South Bank Road over Davis Creek?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m).

Who owns South Bank Road over Davis Creek?

It is owned by the County Highway Agency.