US Bridges

State Route 111 over Butter Wash

Good

Imperial County, California · 11-IMP-111-48.25 · Structure no. 58 0168

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

About this bridge

State Route 111 over Butter Wash is a concrete continuous slab carrying State Route 111 over Butter 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 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 3,600 vehicles a day, roughly 8% of them trucks, projected to reach 10,000 by 2041. The structure is 54 ft (16.6 m) long and 39 ft wide.

CarriesState Route 111
CrossesButter Wash
Location11-IMP-111-48.25
RouteState Highway 111
Coordinates33.32054, -115.60752
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span20 ft (6.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2018)
Projected traffic10,000 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Butter 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 Butter Wash 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 October 2023.

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

About 3,600 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is State Route 111 over Butter Wash?

The structure is 54 ft (16.6 m) long with a longest span of 20 ft (6.1 m) and a deck 39 ft wide.

Who owns State Route 111 over Butter Wash?

It is owned by the State Highway Agency.