US Bridges

County Road over Pasco Pump Lateral

Good

Franklin County, Washington · 00.63E JCT R -1105 · Structure no. 082375000000000

Built
1954
71 years old, rebuilt 1967
Condition
Good
inspected December 2022
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
36
2020 count
Owner
County
County Highway Agency

About this bridge

County Road over Pasco Pump Lateral is a prestressed concrete channel beam carrying County Road over Pasco Pump Lateral in Franklin County, Washington. It was built in 1954 and reconstructed in 1967, so it is 71 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 36 vehicles a day, roughly 44% of them trucks, projected to reach 164 by 2040. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesPasco Pump Lateral
Location00.63E JCT R -1105
RouteCounty Highway 9120
Coordinates46.35015, -119.2404
Functional classRural 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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2020)
Projected traffic164 by 2040
Trucks44%
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 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 County Road over Pasco Pump Lateral built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1967.

What condition is County Road over Pasco Pump Lateral 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 December 2022.

How much traffic does County Road over Pasco Pump Lateral carry?

About 36 vehicles per day (2020 count), of which roughly 44% are trucks.

How long is County Road over Pasco Pump Lateral?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns County Road over Pasco Pump Lateral?

It is owned by the County Highway Agency.