US Bridges

Foresta Road over Crane Creek

FairPosted for load

Mariposa County, California · 3.6 MI W New Big Oat Fl R · Structure no. 40C0054

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
3 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

Foresta Road over Crane Creek is a steel stringer/multi-beam or girder carrying Foresta Road over Crane Creek in Mariposa County, California. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 31 by 2040. The structure is 92 ft (28 m) long and 12 ft wide. If it were closed, the detour would be 85.1 mi (137 km).

Location

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CarriesForesta Road
CrossesCrane Creek
Location3.6 MI W New Big Oat Fl R
RouteCounty Highway 0
CountyMariposa County
StateCalifornia
Coordinates37.69244, -119.76042
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.
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span29 ft (8.8 m)
Deck width12 ft (3.6 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic31 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed85.1 mi (137 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 Foresta Road over Crane Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Foresta Road over Crane 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 September 2023.

How much traffic does Foresta Road over Crane Creek carry?

About 10 vehicles per day (2021 count).

How long is Foresta Road over Crane Creek?

The structure is 92 ft (28 m) long with a longest span of 29 ft (8.8 m) and a deck 12 ft wide.

Who owns Foresta Road over Crane Creek?

It is owned by the County Highway Agency.