US Bridges

Childs Hill Road over Bummer Lake Creek

Fair

Del Norte County, California · 4.5 MI East of US 101 · Structure no. 01P0018

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
10
2003 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Childs Hill Road over Bummer Lake Creek is a steel stringer/multi-beam or girder carrying Childs Hill Road over Bummer Lake 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 21 by 2042. The structure is 62 ft (19 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesChilds Hill Road
CrossesBummer Lake Creek
Location4.5 MI East of US 101
RouteState Lands Road 0
Coordinates41.72802, -124.0657
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length62 ft (19 m)
Longest span46 ft (14.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic21 by 2042
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 Bummer Lake Creek built?

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

What condition is Childs Hill Road over Bummer Lake 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 Bummer Lake Creek carry?

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

How long is Childs Hill Road over Bummer Lake Creek?

The structure is 62 ft (19 m) long with a longest span of 46 ft (14.1 m) and a deck 20 ft wide.

Who owns Childs Hill Road over Bummer Lake Creek?

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