US Bridges

Coyote Lane over Baxter Creek

Good

Cowlitz County, Washington · 0.16W of PH10 (mp 4.15) · Structure no. 089198000000000

Built
2020
5 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Coyote Lane over Baxter Creek is a prestressed concrete tee beam carrying Coyote Lane over Baxter Creek in Cowlitz County, Washington. It was built in 2020, so it is 5 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 65 vehicles a day, roughly 2% of them trucks, projected to reach 75 by 2040. The structure is 105 ft (32 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCoyote Lane
CrossesBaxter Creek
Location0.16W of PH10 (mp 4.15)
RouteCounty Highway 27120
Coordinates46.30556, -122.9725
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 inspectionMarch 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length105 ft (32 m)
Longest span99 ft (30.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2020)
Projected traffic75 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 relocation of road
Estimated improvement cost$4.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Coyote Lane over Baxter Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Coyote Lane over Baxter 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 March 2023.

How much traffic does Coyote Lane over Baxter Creek carry?

About 65 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Coyote Lane over Baxter Creek?

The structure is 105 ft (32 m) long with a longest span of 99 ft (30.2 m) and a deck 27 ft wide.

Who owns Coyote Lane over Baxter Creek?

It is owned by the County Highway Agency.