US Bridges

State Route 140 over Cold Canyon Creek

Good

Mariposa County, California · 10-MPA-140-48.63 · Structure no. 40 0046

Built
1957
68 years old
Condition
Good
inspected July 2022
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
1,400
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 140 over Cold Canyon Creek is a concrete slab carrying State Route 140 over Cold Canyon Creek in Mariposa County, California. It was built in 1957, so it is 68 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 5% of them trucks, projected to reach 1,164 by 2044. The structure is 20 ft (6.1 m) long and 36 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesState Route 140
CrossesCold Canyon Creek
Location10-MPA-140-48.63
RouteState Highway 140
CountyMariposa County
StateCalifornia
Coordinates37.66573, -119.81018
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span17 ft (5.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2009)
Projected traffic1,164 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemYes

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 140 over Cold Canyon Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is State Route 140 over Cold Canyon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does State Route 140 over Cold Canyon Creek carry?

About 1,400 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 140 over Cold Canyon Creek?

The structure is 20 ft (6.1 m) long with a longest span of 17 ft (5.2 m) and a deck 36 ft wide.

Who owns State Route 140 over Cold Canyon Creek?

It is owned by the State Highway Agency.