US Bridges

Merced Ave over Interstate 5

Good

Kern County, California · 06-KER-005-65.17 · Structure no. 50 0311

Built
1967
58 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
256 ft
2 main spans
Daily traffic
35
2018 count
Owner
State
State Highway Agency

About this bridge

Merced Ave over Interstate 5 is a prestressed concrete continuous box beam or girders - multiple carrying Merced Ave over Interstate 5 in Kern County, California. It was built in 1967, so it is 58 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 35 vehicles a day, roughly 20% of them trucks, projected to reach 70 by 2042. The structure is 256 ft (78 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMerced Ave
CrossesInterstate 5
Location06-KER-005-65.17
RouteCounty Highway 0
Coordinates35.52802, -119.56587
Functional classRural Major Collector

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 inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length256 ft (78 m)
Longest span128 ft (39 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2018)
Projected traffic70 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 Merced Ave over Interstate 5 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Merced 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 October 2024.

How much traffic does Merced Ave over Interstate 5 carry?

About 35 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Merced Ave over Interstate 5?

The structure is 256 ft (78 m) long with a longest span of 128 ft (39 m) and a deck 30 ft wide.

Who owns Merced Ave over Interstate 5?

It is owned by the State Highway Agency.