FHWA NBI 2024 Inspection record Public-domain dataset

PARK ENTRANCE ROAD

Carrying PARK ENTRANCE ROAD over TERRELL CREEK

BIRCH BAY STATE PARK, Whatcom, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: PARK ENTRANCE ROAD

The PARK ENTRANCE ROAD bridge in Whatcom, Washington carries PARK ENTRANCE ROAD over TERRELL CREEK. It was built in 1963, making it 63 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.5 meters (31 feet) end to end. Daily traffic averages 135 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by State Park/Forest/Reservation.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 18.1 metric tons.

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

How PARK ENTRANCE ROAD compares

▼ 15.4
Load rating vs Washington average (33.5 t)
Bottom 12%
Lower load rating than 88% of Washington bridges
358
Bridges in Whatcom · 19 in Poor condition
PARK ENTRANCE ROAD 18.1 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
59.2 / 100 - historical 50–79.9 band
Structural adequacy /55
37.4
Serviceability /30
10.0
Essentiality /15
14.8
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
18.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1963
Material
Concrete
Number of Spans
1
Structure Length
9.5 m (31 ft)
Deck Width
5.2 m (17 ft)
Owner
State Park/Forest/Reservation
Avg Daily Traffic
135 vehicles/day
Structure Number
086472000000000

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 good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether PARK ENTRANCE ROAD 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 PARK ENTRANCE ROAD against other structures in Whatcom and across Washington. Washington 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 PARK ENTRANCE ROAD?

PARK ENTRANCE ROAD in Whatcom, Washington has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is PARK ENTRANCE ROAD inspected?

PARK ENTRANCE 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 135 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PARK ENTRANCE ROAD 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 PARK ENTRANCE ROAD?

PARK ENTRANCE ROAD has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining PARK ENTRANCE ROAD?

PARK ENTRANCE ROAD is owned and maintained by State Park/Forest/Reservation.

How old is PARK ENTRANCE ROAD and does age affect safety?

PARK ENTRANCE ROAD was built in 1963, making it 63 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.