FHWA NBI 2024 Inspection record Public-domain dataset

TOWNSHIP RD NO 158

Carrying TOWNSHIP RD NO 158 over HELLS BRANCH

3 MI NE OF ELIZABETH, Jo Daviess, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: TOWNSHIP RD NO 158

The TOWNSHIP RD NO 158 bridge in Jo Daviess, Illinois carries TOWNSHIP RD NO 158 over HELLS BRANCH. It was built in 1916, making it 110 years old today. The structure is built primarily of concrete and spans 1 section, stretching 14.6 meters (48 feet) end to end. Daily traffic averages 25 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 17.5 metric tons.

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

How TOWNSHIP RD NO 158 compares

▼ 17.1
Load rating vs Illinois average (34.6 t)
Bottom 3%
Lower load rating than 97% of Illinois bridges
198
Bridges in Jo Daviess · 18 in Poor condition
TOWNSHIP RD NO 158 17.5 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
33.8 / 100 - historical 20–49.9 band
Structural adequacy /55
11.3
Serviceability /30
7.5
Essentiality /15
15.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
17.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1916
Material
Concrete
Number of Spans
1
Structure Length
14.6 m (48 ft)
Deck Width
5.9 m (19 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
043313100000000

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.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

TOWNSHIP RD NO 158 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 TOWNSHIP RD NO 158 against other structures in Jo Daviess and across Illinois. Illinois 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 TOWNSHIP RD NO 158?

TOWNSHIP RD NO 158 in Jo Daviess, Illinois has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is TOWNSHIP RD NO 158 inspected?

TOWNSHIP RD NO 158'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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TOWNSHIP RD NO 158 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 TOWNSHIP RD NO 158?

TOWNSHIP RD NO 158 has an NBI inventory load rating of 17.5 metric tons.

Who is responsible for maintaining TOWNSHIP RD NO 158?

TOWNSHIP RD NO 158 is owned and maintained by Town/Township Highway Agency.

How old is TOWNSHIP RD NO 158 and does age affect safety?

TOWNSHIP RD NO 158 was built in 1916, making it 110 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.