US Bridges

Bernath Road over Cid Canal

Good

Benton County, Washington · 215 E of S. Yew Street · Structure no. 080735000000000

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
91
2023 count
Owner
County
County Highway Agency

About this bridge

Bernath Road over Cid Canal is a prestressed concrete stringer/multi-beam or girder carrying Bernath Road over Cid Canal in Benton County, Washington. It was built in 1970, so it is 55 years old, older 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 91 vehicles a day, roughly 2% of them trucks, projected to reach 100 by 2038. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBernath Road
CrossesCid Canal
Location215 E of S. Yew Street
RouteCounty Highway 76100
Coordinates46.19082, -119.08536
Functional classUrban Local

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 inspectionJanuary 2024
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 rating49.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2023)
Projected traffic100 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$420,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bernath Road over Cid Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Bernath Road over Cid Canal 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 January 2024.

How much traffic does Bernath Road over Cid Canal carry?

About 91 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Bernath Road over Cid Canal?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Bernath Road over Cid Canal?

It is owned by the County Highway Agency.