FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 98

Carrying STATE ROUTE 98 over EAST HIGHLINE CANAL

11-IMP-098-45.51, Imperial, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: STATE ROUTE 98

The STATE ROUTE 98 bridge in Imperial, California carries STATE ROUTE 98 over EAST HIGHLINE CANAL. It was built in 2006, making it 20 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 46.0 meters (151 feet) end to end. Daily traffic averages 2,850 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition 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 98 compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
448
Bridges in Imperial · 39 in Poor condition
STATE ROUTE 98 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
98.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.2
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2006
Material
Concrete
Number of Spans
4
Structure Length
46.0 m (151 ft)
Deck Width
13.0 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,850 vehicles/day
Structure Number
58 0343

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether STATE ROUTE 98 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 98 against other structures in Imperial 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 98?

STATE ROUTE 98 in Imperial, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is STATE ROUTE 98 inspected?

STATE ROUTE 98'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 2,850 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 98 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for STATE ROUTE 98?

STATE ROUTE 98 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining STATE ROUTE 98?

STATE ROUTE 98 is owned and maintained by State Highway Agency.

How old is STATE ROUTE 98 and does age affect safety?

STATE ROUTE 98 was built in 2006, making it 20 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.