US Bridges

State Route 111 over Ken Wash

Fair

Imperial County, California · 11-IMP-111-55.77 · Structure no. 58 0284

Built
1950
75 years old, rebuilt 1986
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
3,600
2018 count
Owner
State
State Highway Agency

About this bridge

State Route 111 over Ken Wash is a concrete culvert carrying State Route 111 over Ken Wash in Imperial County, California. It was built in 1950 and reconstructed in 1986, so it is 75 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 3,600 vehicles a day, roughly 9% of them trucks, projected to reach 5,484 by 2041. The structure is 39 ft (11.9 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesState Route 111
CrossesKen Wash
Location11-IMP-111-55.77
RouteState Highway 111
CountyImperial County
StateCalifornia
Coordinates33.37398, -115.70894
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 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
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width52 ft (16 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2018)
Projected traffic5,484 by 2041
Trucks9%
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 Ken Wash built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1986.

What condition is State Route 111 over Ken 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 October 2023.

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

About 3,600 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is State Route 111 over Ken Wash?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 52 ft wide.

Who owns State Route 111 over Ken Wash?

It is owned by the State Highway Agency.