US Bridges

Logan Hill Road over Berwick Creek

Good

Lewis County, Washington · 1.10 JCT 94000 · Structure no. 088273000000000

Built
2007
18 years old
Condition
Good
inspected March 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
1,001
2021 count
Owner
County
County Highway Agency

About this bridge

Logan Hill Road over Berwick Creek is a concrete frame carrying Logan Hill Road over Berwick Creek in Lewis County, Washington. It was built in 2007, so it is 18 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 1,001 vehicles a day, roughly 18% of them trucks, projected to reach 1,808 by 2041. The structure is 28 ft (8.5 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLogan Hill Road
CrossesBerwick Creek
Location1.10 JCT 94000
RouteCounty Highway 40077
Coordinates46.63028, -122.875
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
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,001 (2021)
Projected traffic1,808 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$306,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Logan Hill Road over Berwick Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Logan Hill Road over Berwick 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 2024.

How much traffic does Logan Hill Road over Berwick Creek carry?

About 1,001 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is Logan Hill Road over Berwick Creek?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 50 ft wide.

Who owns Logan Hill Road over Berwick Creek?

It is owned by the County Highway Agency.