FHWA NBI 2024 Inspection record Public-domain dataset

S 234

Carrying S 234 over SCOTTS COULEE

1M S HAVRE, Hill, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
20 t Inventory load rating

Bridge Snapshot: S 234

The S 234 bridge in Hill, Montana carries S 234 over SCOTTS COULEE. It was built in 1976, making it 50 years old today. It was last reconstructed in 2021, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 30.8 meters (101 feet) end to end. Daily traffic averages 1,085 vehicles, placing it in the moderately-trafficked tier of Montana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 9/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 20.0 metric tons.

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

How S 234 compares

▼ 10.7
Load rating vs Montana average (30.7 t)
Bottom 14%
Lower load rating than 86% of Montana bridges
44
Bridges in Hill · 3 in Poor condition
S 234 20.0 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
67.5 / 100 - historical 50–79.9 band
Structural adequacy /55
40.8
Serviceability /30
29.0
Essentiality /15
2.7
Special reductions
−5.0

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 How the historical reference is calculated.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
9/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
20.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1976
Last Reconstructed
2021
Material
Prestressed Concrete
Number of Spans
1
Structure Length
30.8 m (101 ft)
Deck Width
12.3 m (40 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,085 vehicles/day
Structure Number
S00234000+03411

Condition Analysis

  • The deck (driving surface) is in good condition (9/9), showing no significant deterioration.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether S 234 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 S 234 against other structures in Hill and across Montana. Montana 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 S 234?

S 234 in Hill, Montana has a deck rating of 9/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is S 234 inspected?

S 234'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 1,085 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. S 234 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for S 234?

S 234 has an NBI inventory load rating of 20.0 metric tons.

Who is responsible for maintaining S 234?

S 234 is owned and maintained by State Highway Agency.

How old is S 234 and does age affect safety?

S 234 was built in 1976, making it 50 years old and last reconstructed in 2021.

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.