US Bridges

State Route 98 over Wormwood Canal

Good

Imperial County, California · 11-IMP-098-22.07 · Structure no. 58 0275

Built
1955
70 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Concrete
Length
47 ft
1 main span
Daily traffic
1,950
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 98 over Wormwood Canal is a concrete tee beam carrying State Route 98 over Wormwood Canal in Imperial County, California. It was built in 1955, so it is 70 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 1,950 vehicles a day, roughly 3% of them trucks, projected to reach 4,413 by 2045. The structure is 47 ft (14.3 m) long and 33 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesState Route 98
CrossesWormwood Canal
Location11-IMP-098-22.07
RouteState Highway 98
Coordinates32.67857, -115.67347
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating37.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2019)
Projected traffic4,413 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 98 over Wormwood Canal built?

It was built in 1955, making it 70 years old in 2025.

What condition is State Route 98 over Wormwood Canal 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 December 2023.

How much traffic does State Route 98 over Wormwood Canal carry?

About 1,950 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is State Route 98 over Wormwood Canal?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns State Route 98 over Wormwood Canal?

It is owned by the State Highway Agency.