US Bridges

E. Mason Lake RD W over Schumocher Creek

Good

Mason County, Washington · 0.73 MI No of Mason Lk RD · Structure no. 087097000000000

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
490
2020 count
Owner
County
County Highway Agency

About this bridge

E. Mason Lake RD W over Schumocher Creek is a prestressed concrete tee beam carrying E. Mason Lake RD W over Schumocher Creek in Mason County, Washington. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 490 vehicles a day, roughly 5% of them trucks, projected to reach 550 by 2044. The structure is 63 ft (19.2 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesE. Mason Lake RD W
CrossesSchumocher Creek
Location0.73 MI No of Mason Lk RD
RouteCounty Highway 60130
Coordinates47.31778, -122.9925
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating56 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length63 ft (19.2 m)
Longest span60 ft (18.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2020)
Projected traffic550 by 2044
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E. Mason Lake RD W over Schumocher Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is E. Mason Lake RD W over Schumocher 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 July 2024.

How much traffic does E. Mason Lake RD W over Schumocher Creek carry?

About 490 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is E. Mason Lake RD W over Schumocher Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.4 m) and a deck 43 ft wide.

Who owns E. Mason Lake RD W over Schumocher Creek?

It is owned by the County Highway Agency.