FHWA NBI 2024 Inspection record Public-domain dataset

STH 169

Carrying STH 169 over BAD RIVER

0.4M N JCT STH 13, Ashland, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
37 t Inventory load rating

Bridge Snapshot: STH 169

The STH 169 bridge in Ashland, Wisconsin carries STH 169 over BAD RIVER. It was built in 1987, making it 39 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 20.4 meters (67 feet) end to end. Daily traffic averages 500 vehicles, placing it in the lower-traffic tier of Wisconsin 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 37.3 metric tons.

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

How STH 169 compares

▲ 4.0
Load rating vs Wisconsin average (33.3 t)
Top 35%
Higher load rating than 65% of Wisconsin bridges
92
Bridges in Ashland · 6 in Poor condition
STH 169 37.3 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
59.4 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
15.7
Essentiality /15
13.8
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 How the historical reference is calculated.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
37.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1987
Material
Concrete Continuous
Number of Spans
2
Structure Length
20.4 m (67 ft)
Deck Width
9.7 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
500 vehicles/day
Structure Number
B02002600000000

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for 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) is in good condition (7/9), showing no significant deterioration.

How to read this record

STH 169 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 STH 169 against other structures in Ashland and across Wisconsin. Wisconsin 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 STH 169?

STH 169 in Ashland, Wisconsin 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 STH 169 inspected?

STH 169'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 500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STH 169 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 STH 169?

STH 169 has an NBI inventory load rating of 37.3 metric tons.

Who is responsible for maintaining STH 169?

STH 169 is owned and maintained by State Highway Agency.

How old is STH 169 and does age affect safety?

STH 169 was built in 1987, making it 39 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.