US Bridges

Iowa Avenue over Interstate 215 & Ramps

Fair

San Bernardino County, California · 08-SBD-215-0.40-COL · Structure no. 54 0527

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
300 ft
4 main spans
Daily traffic
15,000
2020 count
Owner
State
State Highway Agency

About this bridge

Iowa Avenue over Interstate 215 & Ramps is a concrete continuous box beam or girders - multiple carrying Iowa Avenue over Interstate 215 & Ramps in San Bernardino County, California. It was built in 1959, so it is 66 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 15,000 vehicles a day, roughly 6% of them trucks, projected to reach 17,401 by 2042. The structure is 300 ft (91.4 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIowa Avenue
CrossesInterstate 215 & Ramps
Location08-SBD-215-0.40-COL
RouteCity Street 0R042
Coordinates34.02436, -117.33557
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span107 ft (32.6 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2020)
Projected traffic17,401 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Iowa Avenue over Interstate 215 & Ramps built?

It was built in 1959, making it 66 years old in 2025.

What condition is Iowa Avenue over Interstate 215 & Ramps 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 January 2024.

How much traffic does Iowa Avenue over Interstate 215 & Ramps carry?

About 15,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Iowa Avenue over Interstate 215 & Ramps?

The structure is 300 ft (91.4 m) long with a longest span of 107 ft (32.6 m) and a deck 49 ft wide.

Who owns Iowa Avenue over Interstate 215 & Ramps?

It is owned by the State Highway Agency.