US Bridges

Clements RD over Calaveras River

Fair

San Joaquin County, California · 0.4 MI N Comstock RD · Structure no. 29C0214

Built
1969
56 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
106 ft
4 main spans
Daily traffic
1,146
2019 count
Owner
County
County Highway Agency

About this bridge

Clements RD over Calaveras River is a concrete continuous slab carrying Clements RD over Calaveras River in San Joaquin County, California. It was built in 1969, so it is 56 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 1,146 vehicles a day, roughly 10% of them trucks, projected to reach 814 by 2043. The structure is 106 ft (32.3 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesClements RD
CrossesCalaveras River
Location0.4 MI N Comstock RD
RouteCounty Highway 0
Coordinates38.05172, -121.07775
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length106 ft (32.3 m)
Longest span26 ft (7.9 m)
Deck width41 ft (12.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,146 (2019)
Projected traffic814 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Clements RD over Calaveras River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Clements RD over Calaveras River 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 February 2025.

How much traffic does Clements RD over Calaveras River carry?

About 1,146 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Clements RD over Calaveras River?

The structure is 106 ft (32.3 m) long with a longest span of 26 ft (7.9 m) and a deck 41 ft wide.

Who owns Clements RD over Calaveras River?

It is owned by the County Highway Agency.