US Bridges

Henry Miller Ave over Interstate 5

Good

Merced County, California · 10-MER-005-21.38 · Structure no. 39 0166

Built
1966
59 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
1,420
1998 count
Owner
State
State Highway Agency

About this bridge

Henry Miller Ave over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Henry Miller Ave over Interstate 5 in Merced County, California. It was built in 1966, so it is 59 years old, older 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 1,420 vehicles a day, roughly 1% of them trucks, projected to reach 1,658 by 2046. The structure is 268 ft (81.7 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesHenry Miller Ave
CrossesInterstate 5
Location10-MER-005-21.38
RouteCounty Highway 0
Coordinates37.1006, -121.01164
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 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 rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span96 ft (29.3 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (1998)
Projected traffic1,658 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 Henry Miller Ave over Interstate 5 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Henry Miller Ave over Interstate 5 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 January 2024.

How much traffic does Henry Miller Ave over Interstate 5 carry?

About 1,420 vehicles per day (1998 count), of which roughly 1% are trucks.

How long is Henry Miller Ave over Interstate 5?

The structure is 268 ft (81.7 m) long with a longest span of 96 ft (29.3 m) and a deck 34 ft wide.

Who owns Henry Miller Ave over Interstate 5?

It is owned by the State Highway Agency.