FHWA NBI 2024 Inspection record Public-domain dataset

STH 17

Carrying STH 17 over BARNES CREEK

3.4M N JCT STH 64, Lincoln, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: STH 17

The STH 17 bridge in Lincoln, Wisconsin carries STH 17 over BARNES CREEK. It was built in 1973, making it 53 years old today. The structure is built primarily of steel and spans 2 sections, stretching 10.6 meters (35 feet) end to end. Daily traffic averages 2,600 vehicles, placing it in the moderately-trafficked tier of Wisconsin bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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 19.4 metric tons.

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

How STH 17 compares

▼ 13.9
Load rating vs Wisconsin average (33.3 t)
Bottom 5%
Lower load rating than 95% of Wisconsin bridges
158
Bridges in Lincoln · 10 in Poor condition
STH 17 19.4 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
42.7 / 100 - historical 20–49.9 band
Structural adequacy /55
14.7
Serviceability /30
28.0
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 How the historical reference is calculated.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

Culvert
4/9
Poor (1–4)
Inventory Load Rating
19.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1973
Material
Steel
Number of Spans
2
Structure Length
10.6 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,600 vehicles/day
Structure Number
B35007400000000

How to read this record

STH 17 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 17 against other structures in Lincoln 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 17?

STH 17 in Lincoln, Wisconsin on the FHWA's 0–9 scale.

How often is STH 17 inspected?

STH 17'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 2,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STH 17 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 17?

STH 17 has an NBI inventory load rating of 19.4 metric tons.

Who is responsible for maintaining STH 17?

STH 17 is owned and maintained by State Highway Agency.

How old is STH 17 and does age affect safety?

STH 17 was built in 1973, making it 53 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.