US Bridges

Blanchard Road over Mcelroy Sl

Good

Skagit County, Washington · 0.05 N JCT Legg Road · Structure no. 088014000000000

Built
2007
18 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
29 ft
4 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

Blanchard Road over Mcelroy Sl is a concrete culvert carrying Blanchard Road over Mcelroy Sl in Skagit County, Washington. It was built in 2007, so it is 18 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 40 vehicles a day, roughly 1% of them trucks, projected to reach 49 by 2041. The structure is 29 ft (8.7 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBlanchard Road
CrossesMcelroy Sl
Location0.05 N JCT Legg Road
RouteCounty Highway 22410
Coordinates48.59688, -122.41979
Functional classRural Minor 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.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span6 ft (1.8 m)
Deck width40 ft (12.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic49 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$217,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Blanchard Road over Mcelroy Sl built?

It was built in 2007, making it 18 years old in 2025.

What condition is Blanchard Road over Mcelroy Sl 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 June 2023.

How much traffic does Blanchard Road over Mcelroy Sl carry?

About 40 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Blanchard Road over Mcelroy Sl?

The structure is 29 ft (8.7 m) long with a longest span of 6 ft (1.8 m) and a deck 40 ft wide.

Who owns Blanchard Road over Mcelroy Sl?

It is owned by the County Highway Agency.