US Bridges

Seminole Drive over Desert Hills Drain

Fair

Riverside County, California · 0.3 Mi. W/O Millard Pass · Structure no. 56C0405

Built
1990
35 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
6,727
2024 count
Owner
County
County Highway Agency

About this bridge

Seminole Drive over Desert Hills Drain is a concrete culvert carrying Seminole Drive over Desert Hills Drain in Riverside County, California. It was built in 1990, so it is 35 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 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 6,727 vehicles a day, roughly 1% of them trucks, projected to reach 8,579 by 2046. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeminole Drive
CrossesDesert Hills Drain
Location0.3 Mi. W/O Millard Pass
RouteCounty Highway 0
Coordinates33.92773, -116.81532
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,727 (2024)
Projected traffic8,579 by 2046
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Seminole Drive over Desert Hills Drain built?

It was built in 1990, making it 35 years old in 2025.

What condition is Seminole Drive over Desert Hills Drain 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 2024.

How much traffic does Seminole Drive over Desert Hills Drain carry?

About 6,727 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Seminole Drive over Desert Hills Drain?

The structure is 28 ft (8.5 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Seminole Drive over Desert Hills Drain?

It is owned by the County Highway Agency.