US Bridges

G ST over Lytle Creek East Branch

Fair

San Bernardino County, California · 0.1 MI S of Mill ST · Structure no. 54C0359

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
6,141
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

G ST over Lytle Creek East Branch is a prestressed concrete stringer/multi-beam or girder carrying G ST over Lytle Creek East Branch 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 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 6,141 vehicles a day, roughly 2% of them trucks, projected to reach 11,352 by 2045. The structure is 178 ft (54.3 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesG ST
CrossesLytle Creek East Branch
Location0.1 MI S of Mill ST
RouteCity Street 0
Coordinates34.09119, -117.29737
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span87 ft (26.5 m)
Deck width59 ft (18 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,141 (2015)
Projected traffic11,352 by 2045
Trucks2%
Lanes on structure2
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was G ST over Lytle Creek East Branch built?

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

What condition is G ST over Lytle Creek East Branch 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 November 2023.

How much traffic does G ST over Lytle Creek East Branch carry?

About 6,141 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is G ST over Lytle Creek East Branch?

The structure is 178 ft (54.3 m) long with a longest span of 87 ft (26.5 m) and a deck 59 ft wide.

Who owns G ST over Lytle Creek East Branch?

It is owned by the City or Municipal Highway Agency.