US Bridges

State Route 4 over Littlejohns Creek

Fair

Calaveras County, California · 10-CAL-004-R5.89 · Structure no. 30 0034

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
205 ft
3 main spans
Daily traffic
5,400
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 4 over Littlejohns Creek is a concrete continuous box beam or girders - multiple carrying State Route 4 over Littlejohns Creek in Calaveras County, California. It was built in 1972, so it is 53 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.

It carries about 5,400 vehicles a day, roughly 4% of them trucks, projected to reach 10,900 by 2045. The structure is 205 ft (62.5 m) long and 42 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesState Route 4
CrossesLittlejohns Creek
Location10-CAL-004-R5.89
RouteState Highway 4
CountyCalaveras County
StateCalifornia
Coordinates37.96049, -120.67366
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length205 ft (62.5 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2019)
Projected traffic10,900 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 4 over Littlejohns Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is State Route 4 over Littlejohns 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 May 2023.

How much traffic does State Route 4 over Littlejohns Creek carry?

About 5,400 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is State Route 4 over Littlejohns Creek?

The structure is 205 ft (62.5 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns State Route 4 over Littlejohns Creek?

It is owned by the State Highway Agency.