US Bridges

State Route 98 over East Ash Canal

Good

Imperial County, California · 11-IMP-098-38.65 · Structure no. 58 0349

Built
1938
87 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
14,295
2018 count
Owner
State
State Highway Agency

About this bridge

State Route 98 over East Ash Canal is a concrete culvert carrying State Route 98 over East Ash Canal in Imperial County, California. It was built in 1938, so it is 87 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 14,295 vehicles a day, roughly 13% of them trucks, projected to reach 18,485 by 2041. The structure is 24 ft (7.2 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 98
CrossesEast Ash Canal
Location11-IMP-098-38.65
RouteState Highway 98
Coordinates32.69371, -115.39574
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span8 ft (2.4 m)
Deck width75 ft (23 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,295 (2018)
Projected traffic18,485 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 98 over East Ash Canal built?

It was built in 1938, making it 87 years old in 2025.

What condition is State Route 98 over East Ash 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 October 2024.

How much traffic does State Route 98 over East Ash Canal carry?

About 14,295 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is State Route 98 over East Ash Canal?

The structure is 24 ft (7.2 m) long with a longest span of 8 ft (2.4 m) and a deck 75 ft wide.

Who owns State Route 98 over East Ash Canal?

It is owned by the State Highway Agency.