US Bridges

Polson Camp Road over Big Creek

Good

Grays Harbor County, Washington · 0.7 MI NE JCT US101 · Structure no. 088870000000000

Built
2016
9 years old
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
26 ft
1 main span
Daily traffic
35
2020 count
Owner
County
County Highway Agency

About this bridge

Polson Camp Road over Big Creek is a steel culvert carrying Polson Camp Road over Big Creek in Grays Harbor County, Washington. It was built in 2016, so it is 9 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 35 vehicles a day, roughly 5% of them trucks, projected to reach 43 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPolson Camp Road
CrossesBig Creek
Location0.7 MI NE JCT US101
RouteCounty Highway 47830
Coordinates47.17083, -123.875
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 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
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 length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2020)
Projected traffic43 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Polson Camp Road over Big Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Polson Camp Road over Big 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 Polson Camp Road over Big Creek carry?

About 35 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Polson Camp Road over Big Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns Polson Camp Road over Big Creek?

It is owned by the County Highway Agency.