US Bridges

Cornell Creek RD over Hendricks Creek

Fair

Whatcom County, Washington · 0.7 SE Mt Baker HWY · Structure no. 079673000000000

Built
1967
58 years old, rebuilt 1981
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
60 ft
1 main span
Daily traffic
62
2024 count
Owner
County
County Highway Agency

About this bridge

Cornell Creek RD over Hendricks Creek is a steel girder and floorbeam system carrying Cornell Creek RD over Hendricks Creek in Whatcom County, Washington. It was built in 1967 and reconstructed in 1981, so it is 58 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 62 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2046. The structure is 60 ft (18.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCornell Creek RD
CrossesHendricks Creek
Location0.7 SE Mt Baker HWY
RouteCounty Highway 89780
Coordinates48.89444, -121.97275
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2024)
Projected traffic150 by 2046
Trucks3%
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

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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cornell Creek RD over Hendricks Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1981.

What condition is Cornell Creek RD over Hendricks Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Cornell Creek RD over Hendricks Creek carry?

About 62 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Cornell Creek RD over Hendricks Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 23 ft wide.

Who owns Cornell Creek RD over Hendricks Creek?

It is owned by the County Highway Agency.