US Bridges

Carmel Mountain Ro over Shaw Valley Trail

Fair

San Diego County, California · 0.5 MI E/O Carmel Cnty RD · Structure no. 57C0880

Built
2008
17 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
182 ft
1 main span
Daily traffic
2,500
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carmel Mountain Ro over Shaw Valley Trail is a prestressed concrete box beam or girders - multiple carrying Carmel Mountain Ro over Shaw Valley Trail in San Diego County, California. It was built in 2008, so it is 17 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 2,500 vehicles a day, roughly 2% of them trucks, projected to reach 3,300 by 2040. The structure is 182 ft (55.5 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCarmel Mountain Ro
CrossesShaw Valley Trail
Location0.5 MI E/O Carmel Cnty RD
RouteCity Street 0
Coordinates32.92867, -117.19064
Functional classUrban 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
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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length182 ft (55.5 m)
Longest span182 ft (55.5 m)
Deck width57 ft (17.3 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2015)
Projected traffic3,300 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Carmel Mountain Ro over Shaw Valley Trail built?

It was built in 2008, making it 17 years old in 2025.

What condition is Carmel Mountain Ro over Shaw Valley Trail 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 October 2023.

How much traffic does Carmel Mountain Ro over Shaw Valley Trail carry?

About 2,500 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Carmel Mountain Ro over Shaw Valley Trail?

The structure is 182 ft (55.5 m) long with a longest span of 182 ft (55.5 m) and a deck 57 ft wide.

Who owns Carmel Mountain Ro over Shaw Valley Trail?

It is owned by the City or Municipal Highway Agency.