FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 152 EB

Carrying STATE ROUTE 152 EB over SAN LUIS DAM FOREBAY

10-MER-152-R10.05, Merced, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: STATE ROUTE 152 EB

The STATE ROUTE 152 EB bridge in Merced, California carries STATE ROUTE 152 EB over SAN LUIS DAM FOREBAY. It was built in 1964, making it 62 years old today. It was last reconstructed in 1987, extending its service life. The structure is built primarily of concrete continuous and spans 10 sections, stretching 170.7 meters (560 feet) end to end. Daily traffic averages 14,375 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How STATE ROUTE 152 EB compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
532
Bridges in Merced · 33 in Poor condition
STATE ROUTE 152 EB 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
85.4 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
28.0
Essentiality /15
13.4
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1964
Last Reconstructed
1987
Material
Concrete Continuous
Number of Spans
10
Structure Length
170.7 m (560 ft)
Deck Width
12.3 m (40 ft)
Owner
State Highway Agency
Avg Daily Traffic
14,375 vehicles/day
Structure Number
39 0145R

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether STATE ROUTE 152 EB is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare STATE ROUTE 152 EB against other structures in Merced and across California. California bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for STATE ROUTE 152 EB?

STATE ROUTE 152 EB in Merced, California has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is STATE ROUTE 152 EB inspected?

STATE ROUTE 152 EB's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 14,375 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 152 EB is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for STATE ROUTE 152 EB?

STATE ROUTE 152 EB has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining STATE ROUTE 152 EB?

STATE ROUTE 152 EB is owned and maintained by State Highway Agency.

How old is STATE ROUTE 152 EB and does age affect safety?

STATE ROUTE 152 EB was built in 1964, making it 62 years old and last reconstructed in 1987.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.