Wagonwheel Gap Rd
Carrying Wagonwheel Gap Rd over Fourmile Creek
200 ft W of Lee Hill Dr, Boulder, Colorado
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Wagonwheel Gap Rd in Boulder, Colorado sits above 83% of rated Colorado bridges on inventory load rating (46 t), while its 2019 build year is earlier than 2% of Boulder's recorded-year cohort (311 bridges).
Wagonwheel Gap Rd in Boulder, Colorado is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2019, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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 CO:BC-WWGAP-0.0-FM
POST-2000 · PRESTRESS · SINGLE-SPAN · DECK-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
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: Wagonwheel Gap Rd
The Wagonwheel Gap Rd bridge in Boulder, Colorado carries Wagonwheel Gap Rd over Fourmile Creek. It was built in 2019, making it 7 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 17.9 meters (59 feet) end to end. Daily traffic averages 630 vehicles, placing it in the lower-traffic tier of Colorado bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How Wagonwheel Gap Rd compares
Age against the county: built in 2019, earlier than 6 of Boulder's 311 bridges with a recorded construction year (2%), against a county median build year of 1990. This is one of the newer structures in its county.
Live comparison across Colorado bridges with a recorded inventory load rating (8,962 of 8,965 rated).
Wagonwheel Gap Rd vs every rated Colorado bridge
Inventory load rating (metric tons), FHWA NBI, this state
46 Top 17% higher than 83% of 8,962 bridges
rated Colorado 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.
Boulder inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 311 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
- 2019
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 17.9 m (59 ft)
- Deck Width
- 8.1 m (27 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 630 vehicles/day
- Structure Number
- BC-WWGAP-0.0-FM
Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
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 Wagonwheel Gap Rd 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 Wagonwheel Gap Rd against other structures in Boulder and across Colorado. Colorado 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 Wagonwheel Gap Rd?
Wagonwheel Gap Rd in Boulder, Colorado has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.
How often is Wagonwheel Gap Rd inspected?
Wagonwheel Gap Rd'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 630 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Wagonwheel Gap Rd 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 Wagonwheel Gap Rd?
Wagonwheel Gap Rd has an NBI inventory load rating of 45.7 metric tons.
Who is responsible for maintaining Wagonwheel Gap Rd?
Wagonwheel Gap Rd is owned and maintained by County Highway Agency.
How old is Wagonwheel Gap Rd and does age affect safety?
Wagonwheel Gap Rd was built in 2019, making it 7 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.
Share this inspection record
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.