US Bridges

SR 542 over Hedrick Creek

Good

Whatcom County, Washington · 9.1 E JCT SR 547 · Structure no. 0019042A0000000

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
1,951
2023 count
Owner
State
State Highway Agency

About this bridge

SR 542 over Hedrick Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 542 over Hedrick Creek in Whatcom County, Washington. It was built in 2017, so it is 8 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 1,951 vehicles a day, roughly 7% of them trucks, projected to reach 2,748 by 2039. The structure is 127 ft (38.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 542
CrossesHedrick Creek
Location9.1 E JCT SR 547
RouteState Highway 542
Coordinates48.89589, -121.97169
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length127 ft (38.6 m)
Longest span122 ft (37.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,951 (2023)
Projected traffic2,748 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 542 over Hedrick Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 542 over Hedrick Creek 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 2024.

How much traffic does SR 542 over Hedrick Creek carry?

About 1,951 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 542 over Hedrick Creek?

The structure is 127 ft (38.6 m) long with a longest span of 122 ft (37.1 m) and a deck 42 ft wide.

Who owns SR 542 over Hedrick Creek?

It is owned by the State Highway Agency.