US Bridges

Halverson Canyon over Sherman Creek

Good

Lincoln County, Washington · 0.12 E FAS P221 · Structure no. 086163000000000

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
27
2021 count
Owner
County
County Highway Agency

About this bridge

Halverson Canyon over Sherman Creek is a prestressed concrete stringer/multi-beam or girder carrying Halverson Canyon over Sherman Creek in Lincoln County, Washington. It was built in 1995, so it is 30 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 27 vehicles a day, roughly 25% of them trucks, projected to reach 47 by 2042. The structure is 50 ft (15.2 m) long and 48 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesHalverson Canyon
CrossesSherman Creek
Location0.12 E FAS P221
RouteCounty Highway 49080
Coordinates47.81614, -118.61164
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width48 ft (14.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2021)
Projected traffic47 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Halverson Canyon over Sherman Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Halverson Canyon over Sherman 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 November 2023.

How much traffic does Halverson Canyon over Sherman Creek carry?

About 27 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is Halverson Canyon over Sherman Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 48 ft wide.

Who owns Halverson Canyon over Sherman Creek?

It is owned by the County Highway Agency.