US Bridges

Henry Miller Ave over Los Banos Creek

Fair

Merced County, California · 0.3 MI W Badger Flat Road · Structure no. 39C0115

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
1,870
2000 count
Owner
County
County Highway Agency

About this bridge

Henry Miller Ave over Los Banos Creek is a concrete continuous slab carrying Henry Miller Ave over Los Banos Creek in Merced County, California. It was built in 1985, so it is 40 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 1,870 vehicles a day, roughly 5% of them trucks, projected to reach 4,504 by 2042. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesHenry Miller Ave
CrossesLos Banos Creek
Location0.3 MI W Badger Flat Road
RouteCounty Highway 0
Coordinates37.09992, -120.885
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating58.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length93 ft (28.3 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,870 (2000)
Projected traffic4,504 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Henry Miller Ave over Los Banos Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Henry Miller Ave over Los Banos 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 Henry Miller Ave over Los Banos Creek carry?

About 1,870 vehicles per day (2000 count), of which roughly 5% are trucks.

How long is Henry Miller Ave over Los Banos Creek?

The structure is 93 ft (28.3 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Henry Miller Ave over Los Banos Creek?

It is owned by the County Highway Agency.