US Bridges

Road 16 over Berenda Slough

Fair

Madera County, California · 0.6 MI N of Ave 23 · Structure no. 41C0033

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
171 ft
6 main spans
Daily traffic
2,580
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Road 16 over Berenda Slough is a concrete continuous slab carrying Road 16 over Berenda Slough in Madera County, California. It was built in 1974, so it is 51 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 2,580 vehicles a day, roughly 6% of them trucks, projected to reach 6,265 by 2042. The structure is 171 ft (52.1 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoad 16
CrossesBerenda Slough
Location0.6 MI N of Ave 23
RouteCounty Highway 0
Coordinates37.09978, -120.25671
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span28 ft (8.5 m)
Deck width37 ft (11.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,580 (2020)
Projected traffic6,265 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Road 16 over Berenda Slough built?

It was built in 1974, making it 51 years old in 2025.

What condition is Road 16 over Berenda Slough 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 January 2024.

How much traffic does Road 16 over Berenda Slough carry?

About 2,580 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Road 16 over Berenda Slough?

The structure is 171 ft (52.1 m) long with a longest span of 28 ft (8.5 m) and a deck 37 ft wide.

Who owns Road 16 over Berenda Slough?

It is owned by the City or Municipal Highway Agency.