US Bridges

Elinor Road over Greenlow Creek

FairPosted for load

Humboldt County, California · 0.3 Mile NE of Route 254 · Structure no. 04C0178

Built
1988
37 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
20
2015 count
Owner
County
County Highway Agency

About this bridge

Elinor Road over Greenlow Creek is a steel stringer/multi-beam or girder carrying Elinor Road over Greenlow Creek in Humboldt County, California. It was built in 1988, so it is 37 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 20 vehicles a day, projected to reach 29 by 2046. The structure is 88 ft (26.8 m) long and 9 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesElinor Road
CrossesGreenlow Creek
Location0.3 Mile NE of Route 254
RouteCounty Highway 0
CountyHumboldt County
StateCalifornia
Coordinates40.44459, -124.02987
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span84 ft (25.6 m)
Deck width9 ft (2.8 m)
Roadway width9 ft (2.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2015)
Projected traffic29 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Elinor Road over Greenlow Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Elinor Road over Greenlow 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 February 2024.

How much traffic does Elinor Road over Greenlow Creek carry?

About 20 vehicles per day (2015 count).

How long is Elinor Road over Greenlow Creek?

The structure is 88 ft (26.8 m) long with a longest span of 84 ft (25.6 m) and a deck 9 ft wide.

Who owns Elinor Road over Greenlow Creek?

It is owned by the County Highway Agency.