US Bridges

Park Av over Mission Storm Drain

Fair

San Bernardino County, California · 0.1 MI E of California ST · Structure no. 54C0434

Built
1935
90 years old, rebuilt 1955
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
300
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Av over Mission Storm Drain is a steel stringer/multi-beam or girder carrying Park Av over Mission Storm Drain in San Bernardino County, California. It was built in 1935 and reconstructed in 1955, so it is 90 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 364 by 2042. The structure is 27 ft (8.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPark Av
CrossesMission Storm Drain
Location0.1 MI E of California ST
RouteCity Street 0
Coordinates34.05932, -117.22488
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic364 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Park Av over Mission Storm Drain built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1955.

What condition is Park Av over Mission Storm Drain 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 September 2024.

How much traffic does Park Av over Mission Storm Drain carry?

About 300 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Park Av over Mission Storm Drain?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Park Av over Mission Storm Drain?

It is owned by the City or Municipal Highway Agency.