US Bridges

3rd ST over Twin Warm Creek

Fair

San Bernardino County, California · 0.25 MI E Waterman Ave · Structure no. 54C0536

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
9,070
2015 count
Owner
County
County Highway Agency

About this bridge

3rd ST over Twin Warm Creek is a steel stringer/multi-beam or girder carrying 3rd ST over Twin Warm Creek in San Bernardino County, California. It was built in 1960, so it is 65 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 9,070 vehicles a day, roughly 1% of them trucks, projected to reach 9,482 by 2042. The structure is 66 ft (20.1 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries3rd ST
CrossesTwin Warm Creek
Location0.25 MI E Waterman Ave
RouteCounty Highway 0
Coordinates34.10423, -117.27446
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating90.4 US tons
Inventory rating54.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,070 (2015)
Projected traffic9,482 by 2042
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty 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 3rd ST over Twin Warm Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is 3rd ST over Twin Warm Creek 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 2024.

How much traffic does 3rd ST over Twin Warm Creek carry?

About 9,070 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is 3rd ST over Twin Warm Creek?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 76 ft wide.

Who owns 3rd ST over Twin Warm Creek?

It is owned by the County Highway Agency.