US Bridges

Herman RD over Branch Canal EL68

Fair

Adams County, Washington · 00.50 MI W SR17 · Structure no. 081220000000000

Built
1952
73 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
2 main spans
Daily traffic
140
2018 count
Owner
County
County Highway Agency

About this bridge

Herman RD over Branch Canal EL68 is a wood or timber stringer/multi-beam or girder carrying Herman RD over Branch Canal EL68 in Adams County, Washington. It was built in 1952, so it is 73 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 6 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 140 vehicles a day, roughly 10% of them trucks, projected to reach 175 by 2039. The structure is 45 ft (13.6 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesHerman RD
CrossesBranch Canal EL68
Location00.50 MI W SR17
RouteCounty Highway 12602
CountyAdams County
StateWashington
Coordinates46.88444, -119.14366
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating53 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckCorrugated steel
Main spans2
Design loadH 15
Structure length45 ft (13.6 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2018)
Projected traffic175 by 2039
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Herman RD over Branch Canal EL68 built?

It was built in 1952, making it 73 years old in 2025.

What condition is Herman RD over Branch Canal EL68 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 Branch Canal EL68 carry?

About 140 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Herman RD over Branch Canal EL68?

The structure is 45 ft (13.6 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Herman RD over Branch Canal EL68?

It is owned by the County Highway Agency.