US Bridges

C. R. 800 over Specimen Springs

FairPosted for load

Madera County, California · 0.1 MI E of CR 820 · Structure no. 41C0167

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
104 ft
1 main span
Daily traffic
62
2010 count
Owner
County
County Highway Agency

About this bridge

C. R. 800 over Specimen Springs is a steel truss - thru carrying C. R. 800 over Specimen Springs in Madera County, California. It was built in 1958, so it is 67 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 62 vehicles a day, projected to reach 83 by 2041. The structure is 104 ft (31.7 m) long and 22 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesC. R. 800
CrossesSpecimen Springs
Location0.1 MI E of CR 820
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates37.30679, -119.86752
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.5 US tons
Inventory rating7.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic62 (2010)
Projected traffic83 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 C. R. 800 over Specimen Springs built?

It was built in 1958, making it 67 years old in 2025.

What condition is C. R. 800 over Specimen Springs 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 C. R. 800 over Specimen Springs carry?

About 62 vehicles per day (2010 count).

How long is C. R. 800 over Specimen Springs?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 22 ft wide.

Who owns C. R. 800 over Specimen Springs?

It is owned by the County Highway Agency.