US Bridges

State Route 111 over Fir Ditch

Poor

Riverside County, California · 08-RIV-111-9.54 · Structure no. 56 0287

Built
1951
74 years old, rebuilt 1997
Condition
Poor
inspected May 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
5,500
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 111 over Fir Ditch is a concrete continuous culvert carrying State Route 111 over Fir Ditch 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 5,500 vehicles a day, roughly 20% of them trucks, projected to reach 13,067 by 2042. The structure is 38 ft (11.6 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesState Route 111
CrossesFir Ditch
Location08-RIV-111-9.54
RouteState Highway 111
Coordinates33.52686, -115.94101
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating10 US tons
Inventory rating7.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width55 ft (16.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2017)
Projected traffic13,067 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$329,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 111 over Fir Ditch 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 Fir Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does State Route 111 over Fir Ditch carry?

About 5,500 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is State Route 111 over Fir Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 55 ft wide.

Who owns State Route 111 over Fir Ditch?

It is owned by the State Highway Agency.