FHWA NBI 2024 Inspection record Public-domain dataset

HEGENBERGER RD

Carrying HEGENBERGER RD over ELMHURST CREEK

0.3 MI N COLISEUM WAY, Alameda, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating

Bridge Snapshot: HEGENBERGER RD

The HEGENBERGER RD bridge in Alameda, California carries HEGENBERGER RD over ELMHURST CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 18.6 meters (61 feet) end to end. Daily traffic averages 46,294 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 7/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 24.3 metric tons.

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

How HEGENBERGER RD compares

▼ 7.0
Load rating vs California average (31.3 t)
Bottom 19%
Lower load rating than 81% of California bridges
800
Bridges in Alameda · 40 in Poor condition
HEGENBERGER RD 24.3 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
31.5 / 100 - historical 20–49.9 band
Structural adequacy /55
22.5
Serviceability /30
9.0
Essentiality /15
0.0
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
24.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1966
Material
Concrete Continuous
Number of Spans
3
Structure Length
18.6 m (61 ft)
Deck Width
31.8 m (104 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
46,294 vehicles/day
Structure Number
33C0164

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

HEGENBERGER RD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare HEGENBERGER RD against other structures in Alameda 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 HEGENBERGER RD?

HEGENBERGER RD in Alameda, California has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HEGENBERGER RD inspected?

HEGENBERGER RD'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 46,294 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HEGENBERGER RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for HEGENBERGER RD?

HEGENBERGER RD has an NBI inventory load rating of 24.3 metric tons.

Who is responsible for maintaining HEGENBERGER RD?

HEGENBERGER RD is owned and maintained by City/Municipal Highway Agency.

How old is HEGENBERGER RD and does age affect safety?

HEGENBERGER RD was built in 1966, making it 60 years old.

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.