FHWA NBI 2024 Inspection record Public-domain dataset

WYO 338

Carrying WYO 338 over Ash Creek

Sheridan-Mont. Line, Sheridan, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: WYO 338

The WYO 338 bridge in Sheridan, Wyoming carries WYO 338 over Ash Creek. It was built in 1989, making it 37 years old today. The structure is built primarily of steel and spans 2 sections, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 913 vehicles, placing it in the lower-traffic tier of Wyoming 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 32.7 metric tons.

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

How WYO 338 compares

▼ 0.8
Load rating vs Wyoming average (33.5 t)
Bottom 41%
Lower load rating than 59% of Wyoming bridges
171
Bridges in Sheridan · 7 in Poor condition
WYO 338 32.7 t
Wyoming average 33.5 t

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
88.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
8.2
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1989
Material
Steel
Number of Spans
2
Structure Length
8.8 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
913 vehicles/day
Structure Number
FSC

How to read this record

This page shows what the last federal inspection recorded, not whether WYO 338 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 WYO 338 against other structures in Sheridan and across Wyoming. Wyoming 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 WYO 338?

WYO 338 in Sheridan, Wyoming on the FHWA's 0–9 scale.

How often is WYO 338 inspected?

WYO 338'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 913 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WYO 338 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 WYO 338?

WYO 338 has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining WYO 338?

WYO 338 is owned and maintained by State Highway Agency.

How old is WYO 338 and does age affect safety?

WYO 338 was built in 1989, making it 37 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.