US Bridges

State Route 111 over Marshy Wash

Fair

Imperial County, California · 11-IMP-111-41.10 · Structure no. 58 0143

Built
1950
75 years old, rebuilt 1986
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
3,650
2018 count
Owner
State
State Highway Agency

About this bridge

State Route 111 over Marshy Wash is a concrete continuous slab carrying State Route 111 over Marshy 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 5 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 3,650 vehicles a day, roughly 5% of them trucks, projected to reach 10,000 by 2041. The structure is 56 ft (17.2 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesState Route 111
CrossesMarshy Wash
Location11-IMP-111-41.10
RouteState Highway 111
CountyImperial County
StateCalifornia
Coordinates33.24738, -115.52421
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length56 ft (17.2 m)
Longest span18 ft (5.5 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2018)
Projected traffic10,000 by 2041
Trucks5%
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 Marshy 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 Marshy 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 2023.

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

About 3,650 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is State Route 111 over Marshy Wash?

The structure is 56 ft (17.2 m) long with a longest span of 18 ft (5.5 m) and a deck 39 ft wide.

Who owns State Route 111 over Marshy Wash?

It is owned by the State Highway Agency.