US Bridges

Milliken Avenue over State Route 210

Good

San Bernardino County, California · 08-SBD-210-7.91-RCUC · Structure no. 54 0676

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
240 ft
2 main spans
Daily traffic
14,000
2020 count
Owner
State
State Highway Agency

About this bridge

Milliken Avenue over State Route 210 is a prestressed concrete continuous box beam or girders - multiple carrying Milliken Avenue over State Route 210 in San Bernardino County, California. It was built in 2001, so it is 24 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,000 vehicles a day, roughly 5% of them trucks, projected to reach 18,000 by 2042. The structure is 240 ft (73.3 m) long and 124 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesMilliken Avenue
CrossesState Route 210
Location08-SBD-210-7.91-RCUC
RouteCity Street 0
Coordinates34.13688, -117.55875
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length240 ft (73.3 m)
Longest span128 ft (39 m)
Deck width124 ft (37.8 m)
Roadway width104 ft (31.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2020)
Projected traffic18,000 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Milliken Avenue over State Route 210 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Milliken Avenue over State Route 210 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Milliken Avenue over State Route 210 carry?

About 14,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Milliken Avenue over State Route 210?

The structure is 240 ft (73.3 m) long with a longest span of 128 ft (39 m) and a deck 124 ft wide.

Who owns Milliken Avenue over State Route 210?

It is owned by the State Highway Agency.