US Bridges

State Route 111 over Zimmerer Wash

Fair

Riverside County, California · 08-RIV-111-13.56 · Structure no. 56 0275

Built
1951
74 years old, rebuilt 1997
Condition
Fair
inspected May 2021
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
2,700
2012 count
Owner
State
State Highway Agency

About this bridge

State Route 111 over Zimmerer Wash is a concrete culvert carrying State Route 111 over Zimmerer Wash in Riverside County, California. It was built in 1951 and reconstructed in 1997, so it is 74 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 2,700 vehicles a day, roughly 11% of them trucks, projected to reach 4,263 by 2038. The structure is 26 ft (7.9 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesState Route 111
CrossesZimmerer Wash
Location08-RIV-111-13.56
RouteState Highway 111
CountyRiverside County
StateCalifornia
Coordinates33.53593, -116.00848
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
Inspection intervalevery 48 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 adequacy8: Equal 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width55 ft (16.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2012)
Projected traffic4,263 by 2038
Trucks11%
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

OwnerState Highway Agency
Maintained byState 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 State Route 111 over Zimmerer Wash built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1997.

What condition is State Route 111 over Zimmerer Wash 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 May 2021.

How much traffic does State Route 111 over Zimmerer Wash carry?

About 2,700 vehicles per day (2012 count), of which roughly 11% are trucks.

How long is State Route 111 over Zimmerer Wash?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 55 ft wide.

Who owns State Route 111 over Zimmerer Wash?

It is owned by the State Highway Agency.