US Bridges

Nason St. over Channel Line "f"

Fair

Riverside County, California · 0.3 MI N/O Iris St. · Structure no. 56C0543

Built
2013
12 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
27,600
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nason St. over Channel Line "f" is a prestressed concrete box beam or girders - multiple carrying Nason St. over Channel Line "f" in Riverside County, California. It was built in 2013, so it is 12 years old, younger 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 27,600 vehicles a day, roughly 1% of them trucks, projected to reach 35,400 by 2041. The structure is 131 ft (39.9 m) long and 100 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNason St.
CrossesChannel Line "f"
Location0.3 MI N/O Iris St.
RouteCity Street 0
Coordinates33.89766, -117.19316
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
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 protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length131 ft (39.9 m)
Longest span128 ft (39 m)
Deck width100 ft (30.5 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,600 (2017)
Projected traffic35,400 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Nason St. over Channel Line "f" built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nason St. over Channel Line "f" 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 July 2023.

How much traffic does Nason St. over Channel Line "f" carry?

About 27,600 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Nason St. over Channel Line "f"?

The structure is 131 ft (39.9 m) long with a longest span of 128 ft (39 m) and a deck 100 ft wide.

Who owns Nason St. over Channel Line "f"?

It is owned by the City or Municipal Highway Agency.