US Bridges

Bench RD over Wasteway EL68 Sta 430+75

Good

Adams County, Washington · 01.13 MI E SR17 · Structure no. 080652000000000

Built
1988
37 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
270
2019 count
Owner
County
County Highway Agency

About this bridge

Bench RD over Wasteway EL68 Sta 430+75 is a prestressed concrete stringer/multi-beam or girder carrying Bench RD over Wasteway EL68 Sta 430+75 in Adams County, Washington. It was built in 1988, so it is 37 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 270 vehicles a day, roughly 28% of them trucks, projected to reach 295 by 2039. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBench RD
CrossesWasteway EL68 Sta 430+75
Location01.13 MI E SR17
RouteCounty Highway 22242
Coordinates46.79693, -119.11031
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (15 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2019)
Projected traffic295 by 2039
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bench RD over Wasteway EL68 Sta 430+75 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Bench RD over Wasteway EL68 Sta 430+75 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 Bench RD over Wasteway EL68 Sta 430+75 carry?

About 270 vehicles per day (2019 count), of which roughly 28% are trucks.

How long is Bench RD over Wasteway EL68 Sta 430+75?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (15 m) and a deck 29 ft wide.

Who owns Bench RD over Wasteway EL68 Sta 430+75?

It is owned by the County Highway Agency.