US Bridges

Hills RD over Intermittent Stream

Good

Adams County, Washington · 01.92 MI S Wellsandt RD · Structure no. 088016000000000

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Culvert
Steel
Length
32 ft
3 main spans
Daily traffic
96
2021 count
Owner
County
County Highway Agency

About this bridge

Hills RD over Intermittent Stream is a steel culvert carrying Hills RD over Intermittent Stream in Adams County, Washington. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96 vehicles a day, roughly 44% of them trucks, projected to reach 125 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 44.7 mi (72 km).

CarriesHills RD
CrossesIntermittent Stream
Location01.92 MI S Wellsandt RD
RouteCounty Highway 84351
Coordinates47.10004, -118.25082
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2021)
Projected traffic125 by 2041
Trucks44%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hills RD over Intermittent Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is Hills RD over Intermittent Stream 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 Hills RD over Intermittent Stream carry?

About 96 vehicles per day (2021 count), of which roughly 44% are trucks.

How long is Hills RD over Intermittent Stream?

The structure is 32 ft (9.8 m) long with a longest span of 9 ft (2.7 m).

Who owns Hills RD over Intermittent Stream?

It is owned by the County Highway Agency.