US Bridges

K Street over Lytle Creek Channel

Fair

San Bernardino County, California · 0.15 MI N Mill ST · Structure no. 54C0567

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
93 ft
2 main spans
Daily traffic
4,030
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

K Street over Lytle Creek Channel is a concrete continuous tee beam carrying K Street over Lytle Creek Channel 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 4,030 vehicles a day, roughly 2% of them trucks, projected to reach 5,035 by 2042. The structure is 93 ft (28.3 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesK Street
CrossesLytle Creek Channel
Location0.15 MI N Mill ST
RouteCity Street 0
Coordinates34.09628, -117.30754
Functional classUrban Collector

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 inspectionMarch 2024
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 rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span44 ft (13.5 m)
Deck width52 ft (15.7 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,030 (2016)
Projected traffic5,035 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 K Street over Lytle Creek Channel built?

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

What condition is K Street over Lytle Creek Channel 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 March 2024.

How much traffic does K Street over Lytle Creek Channel carry?

About 4,030 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is K Street over Lytle Creek Channel?

The structure is 93 ft (28.3 m) long with a longest span of 44 ft (13.5 m) and a deck 52 ft wide.

Who owns K Street over Lytle Creek Channel?

It is owned by the City or Municipal Highway Agency.