FHWA NBI 2024 Inspection record Public-domain dataset

IRR/N94

Carrying IRR/N94 over BIG SLOUGH CREEK

5E PENDER, Thurston, Nebraska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: IRR/N94

The IRR/N94 bridge in Thurston, Nebraska carries IRR/N94 over BIG SLOUGH CREEK. It was built in 1958, making it 68 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 21.3 meters (70 feet) end to end. Daily traffic averages 750 vehicles, placing it in the lower-traffic tier of Nebraska bridges. It is owned and maintained by State 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 19.0 metric tons.

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

How IRR/N94 compares

▼ 8.7
Load rating vs Nebraska average (27.7 t)
Bottom 19%
Lower load rating than 81% of Nebraska bridges
152
Bridges in Thurston · 31 in Poor condition
IRR/N94 19.0 t
Nebraska average 27.7 t

Live comparison across Nebraska.

Historical Sufficiency Rating

PlainBridge-computed
35.5 / 100 - historical 20–49.9 band
Structural adequacy /55
14.0
Serviceability /30
12.1
Essentiality /15
9.3
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 How the historical reference is calculated.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
19.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1958
Material
Concrete Continuous
Number of Spans
3
Structure Length
21.3 m (70 ft)
Deck Width
9.3 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
750 vehicles/day
Structure Number
S094 00552

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

IRR/N94 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 IRR/N94 against other structures in Thurston and across Nebraska. Nebraska 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 IRR/N94?

IRR/N94 in Thurston, Nebraska 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 IRR/N94 inspected?

IRR/N94'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 750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR/N94 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 IRR/N94?

IRR/N94 has an NBI inventory load rating of 19.0 metric tons.

Who is responsible for maintaining IRR/N94?

IRR/N94 is owned and maintained by State Highway Agency.

How old is IRR/N94 and does age affect safety?

IRR/N94 was built in 1958, making it 68 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.