US Bridges

Herman RD over East Low Canal

Fair

Adams County, Washington · 03.17 MI E SR17 · Structure no. 080990000000000

Built
1953
72 years old, rebuilt 1971
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
76 ft
3 main spans
Daily traffic
272
2018 count
Owner
County
County Highway Agency

About this bridge

Herman RD over East Low Canal is a concrete stringer/multi-beam or girder carrying Herman RD over East Low Canal in Adams County, Washington. It was built in 1953 and reconstructed in 1971, so it is 72 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 272 vehicles a day, roughly 21% of them trucks, projected to reach 339 by 2039. The structure is 76 ft (23.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHerman RD
CrossesEast Low Canal
Location03.17 MI E SR17
RouteCounty Highway 22601
CountyAdams County
StateWashington
Coordinates46.88279, -119.06646
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckOther
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2018)
Projected traffic339 by 2039
Trucks21%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Herman RD over East Low Canal built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1971.

What condition is Herman RD over East Low Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Herman RD over East Low Canal carry?

About 272 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is Herman RD over East Low Canal?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Herman RD over East Low Canal?

It is owned by the County Highway Agency.