US Bridges

Larrea Ave over 29 Palms Fl Cont Channel

Good

San Bernardino County, California · 300 N Route FAP 62 · Structure no. 54C0492

Built
1969
56 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
2,773
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Larrea Ave over 29 Palms Fl Cont Channel is a concrete culvert carrying Larrea Ave over 29 Palms Fl Cont Channel in San Bernardino 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 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 2,773 vehicles a day, roughly 1% of them trucks, projected to reach 3,500 by 2040. The structure is 49 ft (14.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLarrea Ave
Crosses29 Palms Fl Cont Channel
Location300 N Route FAP 62
RouteCity Street 0
Coordinates34.13633, -116.08812
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,773 (2021)
Projected traffic3,500 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Larrea Ave over 29 Palms Fl Cont Channel built?

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

What condition is Larrea Ave over 29 Palms Fl Cont Channel 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 2023.

How much traffic does Larrea Ave over 29 Palms Fl Cont Channel carry?

About 2,773 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Larrea Ave over 29 Palms Fl Cont Channel?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 34 ft wide.

Who owns Larrea Ave over 29 Palms Fl Cont Channel?

It is owned by the City or Municipal Highway Agency.