Bull Lake Road
Carrying Bull Lake Road over Bull Lake Dam Spillway
36 mi W-NW of Riverton, Fremont, Wyoming
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Bull Lake Road
The Bull Lake Road bridge in Fremont, Wyoming carries Bull Lake Road over Bull Lake Dam Spillway. It was built in 1938, making it 88 years old today. The structure is built primarily of steel and spans 1 section, stretching 31.8 meters (104 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Wyoming bridges. It is owned and maintained by Bureau of Reclamation.
The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 4/9. 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 17.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Bull Lake Road compares
Live comparison across Wyoming.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1938
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 31.8 m (104 ft)
- Deck Width
- 5.4 m (18 ft)
- Owner
- Bureau of Reclamation
- Avg Daily Traffic
- 5 vehicles/day
- Structure Number
- WYA-RU-001
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
Bull Lake Road 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 Bull Lake Road against other structures in Fremont 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 Bull Lake Road?
Bull Lake Road in Fremont, Wyoming has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is Bull Lake Road inspected?
Bull Lake Road'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 5 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Bull Lake Road 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 Bull Lake Road?
Bull Lake Road has an NBI inventory load rating of 17.1 metric tons.
Who is responsible for maintaining Bull Lake Road?
Bull Lake Road is owned and maintained by Bureau of Reclamation.
How old is Bull Lake Road and does age affect safety?
Bull Lake Road was built in 1938, making it 88 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.
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.