US Bridges

Jantz RD over Intermittent Stream

FairPosted for load

Adams County, Washington · 03.47 MI N Rosenoff · Structure no. 084650000000000

Built
1953
72 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
4
2018 count
Owner
County
County Highway Agency

About this bridge

Jantz RD over Intermittent Stream is a concrete slab carrying Jantz RD over Intermittent Stream in Adams County, Washington. It was built in 1953, 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. Its operating status is: posted for load restriction.

It carries about 4 vehicles a day, projected to reach 5 by 2039. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesJantz RD
CrossesIntermittent Stream
Location03.47 MI N Rosenoff
RouteCounty Highway 75004
CountyAdams County
StateWashington
Coordinates47.18089, -118.64373
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating27.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span14 ft (4.4 m)
Deck width40 ft (12.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2018)
Projected traffic5 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jantz RD over Intermittent Stream built?

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

What condition is Jantz RD over Intermittent Stream 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 October 2024.

How much traffic does Jantz RD over Intermittent Stream carry?

About 4 vehicles per day (2018 count).

How long is Jantz RD over Intermittent Stream?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.4 m) and a deck 40 ft wide.

Who owns Jantz RD over Intermittent Stream?

It is owned by the County Highway Agency.