FHWA NBI 2024 Inspection record Public-domain dataset

SR 156

Carrying SR 156 over NORTH BRANCH

02.07 W SR 56, Switzerland, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
88 t Inventory load rating

Bridge Snapshot: SR 156

The SR 156 bridge in Switzerland, Indiana carries SR 156 over NORTH BRANCH. It was built in 1937, making it 89 years old today. The structure is built primarily of concrete and spans 1 section, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 1,272 vehicles, placing it in the moderately-trafficked tier of Indiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 88.2 metric tons.

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

How SR 156 compares

▲ 52.6
Load rating vs Indiana average (35.6 t)
Top 2%
Higher load rating than 98% of Indiana bridges
62
Bridges in Switzerland · 5 in Poor condition
SR 156 88.2 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
81.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
13.0
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
88.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1937
Material
Concrete
Number of Spans
1
Structure Length
11.3 m (37 ft)
Deck Width
10.1 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,272 vehicles/day
Structure Number
027840

How to read this record

This page shows what the last federal inspection recorded, not whether SR 156 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 SR 156 against other structures in Switzerland and across Indiana. Indiana 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 SR 156?

SR 156 in Switzerland, Indiana on the FHWA's 0–9 scale.

How often is SR 156 inspected?

SR 156'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 1,272 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 156 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SR 156?

SR 156 has an NBI inventory load rating of 88.2 metric tons.

Who is responsible for maintaining SR 156?

SR 156 is owned and maintained by State Highway Agency.

How old is SR 156 and does age affect safety?

SR 156 was built in 1937, making it 89 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.