SR-105 PARRISH LN.
Carrying SR-105 PARRISH LN. over UPRR and UTA TRACKS
W.of PARRISH LN.INT.-CNVL, Davis, Utah
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SR-105 PARRISH LN. in Davis, Utah sits above 37% of rated Utah bridges on inventory load rating (30 t), while its 1970 build year is earlier than 80% of Davis's recorded-year cohort (139 bridges).
SR-105 PARRISH LN. in Davis, Utah is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure UT:0C 578
INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: SR-105 PARRISH LN.
The SR-105 PARRISH LN. bridge in Davis, Utah carries SR-105 PARRISH LN. over UPRR and UTA TRACKS. It was built in 1970, making it 56 years old today. It was last reconstructed in 2008, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 39.9 meters (131 feet) end to end. Daily traffic averages 6,087 vehicles, placing it in the moderately-trafficked tier of Utah bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How SR-105 PARRISH LN. compares
Age against the county: built in 1970, earlier than 111 of Davis's 139 bridges with a recorded construction year (80%), against a county median build year of 2005. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Utah bridges with a recorded inventory load rating (3,113 of 3,125 rated).
SR-105 PARRISH LN. vs every rated Utah bridge
Inventory load rating (metric tons), FHWA NBI, this state
30 Top 63% higher than 37% of 3,113 bridges
rated Utah bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Davis inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 139 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1970
- Last Reconstructed
- 2008
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 39.9 m (131 ft)
- Deck Width
- 24.4 m (80 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 6,087 vehicles/day
- Structure Number
- 0C 578
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether SR-105 PARRISH LN. 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-105 PARRISH LN. against other structures in Davis and across Utah. Utah 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-105 PARRISH LN.?
SR-105 PARRISH LN. in Davis, Utah has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is SR-105 PARRISH LN. inspected?
SR-105 PARRISH LN.'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 6,087 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SR-105 PARRISH LN. 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-105 PARRISH LN.?
SR-105 PARRISH LN. has an NBI inventory load rating of 30.1 metric tons.
Who is responsible for maintaining SR-105 PARRISH LN.?
SR-105 PARRISH LN. is owned and maintained by State Highway Agency.
How old is SR-105 PARRISH LN. and does age affect safety?
SR-105 PARRISH LN. was built in 1970, making it 56 years old and last reconstructed in 2008.
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.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.