US Bridges

RD 14S11 over Boulder Creek

Fair

Tulare County, California · No Data Entered · Structure no. 051351000001027

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
50 ft
1 main span
Daily traffic
79
1989 count
Owner
Federal
U.S. Forest Service

About this bridge

RD 14S11 over Boulder Creek is a concrete arch - deck carrying RD 14S11 over Boulder Creek in Tulare County, California. It was built in 1963, so it is 62 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 6 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 79 vehicles a day, projected to reach 118 by 2045. The structure is 50 ft (15.1 m) long and 34 ft wide.

CarriesRD 14S11
CrossesBoulder Creek
LocationNo Data Entered
RouteFederal Lands Road 14S11
Coordinates36.73423, -118.77353
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.1 m)
Longest span46 ft (13.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (1989)
Projected traffic118 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was RD 14S11 over Boulder Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is RD 14S11 over Boulder 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 July 2024.

How much traffic does RD 14S11 over Boulder Creek carry?

About 79 vehicles per day (1989 count).

How long is RD 14S11 over Boulder Creek?

The structure is 50 ft (15.1 m) long with a longest span of 46 ft (13.9 m) and a deck 34 ft wide.

Who owns RD 14S11 over Boulder Creek?

It is owned by the U.S. Forest Service.