US Bridges

S RD NE over East Low Canal

Good

Grant County, Washington · S NE 0.1 North of I-90 · Structure no. 086095000000000

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
125 ft
1 main span
Daily traffic
133
2024 count
Owner
County
County Highway Agency

About this bridge

S RD NE over East Low Canal is a prestressed concrete tee beam carrying S RD NE over East Low Canal in Grant County, Washington. It was built in 1995, so it is 30 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 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 133 vehicles a day, roughly 48% of them trucks, projected to reach 300 by 2044. The structure is 125 ft (38.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesS RD NE
CrossesEast Low Canal
LocationS NE 0.1 North of I-90
RouteCounty Highway 43750
Coordinates47.08697, -119.08699
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length125 ft (38.1 m)
Longest span124 ft (37.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2024)
Projected traffic300 by 2044
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S RD NE over East Low Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is S RD NE over East Low Canal 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 2024.

How much traffic does S RD NE over East Low Canal carry?

About 133 vehicles per day (2024 count), of which roughly 48% are trucks.

How long is S RD NE over East Low Canal?

The structure is 125 ft (38.1 m) long with a longest span of 124 ft (37.8 m) and a deck 30 ft wide.

Who owns S RD NE over East Low Canal?

It is owned by the County Highway Agency.