US Bridges

Childs Hill Road over Jane Creek

Fair

Del Norte County, California · 10.3 MI SE of Hamilton RD · Structure no. 01P0019

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Steel
Length
63 ft
1 main span
Daily traffic
5
2003 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Childs Hill Road over Jane Creek is a steel box beam or girders - multiple carrying Childs Hill Road over Jane Creek in Del Norte County, California. It was built in 1950, so it is 75 years old, older 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.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2044. The structure is 63 ft (19.2 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesChilds Hill Road
CrossesJane Creek
Location10.3 MI SE of Hamilton RD
RouteState Lands Road 0
Coordinates41.68739, -123.99116
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span59 ft (18 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2003)
Projected traffic10 by 2044
Trucks10%
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

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Childs Hill Road over Jane Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Childs Hill Road over Jane 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 June 2024.

How much traffic does Childs Hill Road over Jane Creek carry?

About 5 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Childs Hill Road over Jane Creek?

The structure is 63 ft (19.2 m) long with a longest span of 59 ft (18 m) and a deck 20 ft wide.

Who owns Childs Hill Road over Jane Creek?

It is owned by the State Park, Forest, or Reservation Agency.