US Bridges

Fourth ST over Little Creek Overflow

Poor

San Bernardino County, California · 0.25 MI E of RTE 66 · Structure no. 54C0516

Built
1973
52 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
144 ft
2 main spans
Daily traffic
8,670
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fourth ST over Little Creek Overflow is a concrete continuous tee beam carrying Fourth ST over Little Creek Overflow in San Bernardino County, California. It was built in 1973, so it is 52 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,670 vehicles a day, roughly 10% of them trucks, projected to reach 10,148 by 2046. The structure is 144 ft (44 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFourth ST
CrossesLittle Creek Overflow
Location0.25 MI E of RTE 66
RouteCity Street 0
Coordinates34.10636, -117.32683
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length144 ft (44 m)
Longest span69 ft (21 m)
Deck width73 ft (22.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,670 (2016)
Projected traffic10,148 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fourth ST over Little Creek Overflow built?

It was built in 1973, making it 52 years old in 2025.

What condition is Fourth ST over Little Creek Overflow in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Fourth ST over Little Creek Overflow carry?

About 8,670 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Fourth ST over Little Creek Overflow?

The structure is 144 ft (44 m) long with a longest span of 69 ft (21 m) and a deck 73 ft wide.

Who owns Fourth ST over Little Creek Overflow?

It is owned by the City or Municipal Highway Agency.