FHWA NBI 2024 Inspection record Public-domain dataset

COLL 7477

Carrying COLL 7477 over MIDAN CANAL

1.9S BURWELL, Garfield, Nebraska

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: COLL 7477

The COLL 7477 bridge in Garfield, Nebraska carries COLL 7477 over MIDAN CANAL. It was built in 1984, making it 42 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.8 meters (52 feet) end to end. Daily traffic averages 130 vehicles, placing it in the lower-traffic tier of Nebraska bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 29.0 metric tons.

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

How COLL 7477 compares

▲ 1.3
Load rating vs Nebraska average (27.7 t)
Top 46%
Higher load rating than 54% of Nebraska bridges
24
Bridges in Garfield · 1 in Poor condition
COLL 7477 29.0 t
Nebraska average 27.7 t

Live comparison across Nebraska.

Historical Sufficiency Rating

PlainBridge-computed
87.5 / 100 - historical 80–100 band
Structural adequacy /55
53.0
Serviceability /30
29.0
Essentiality /15
13.5
Special reductions
−8.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
29.0 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1984
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.8 m (52 ft)
Deck Width
9.3 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
130 vehicles/day
Structure Number
C003600905P

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 good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether COLL 7477 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 COLL 7477 against other structures in Garfield and across Nebraska. Nebraska 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 COLL 7477?

COLL 7477 in Garfield, Nebraska has a deck rating of 5/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is COLL 7477 inspected?

COLL 7477'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 130 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COLL 7477 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 COLL 7477?

COLL 7477 has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining COLL 7477?

COLL 7477 is owned and maintained by County Highway Agency.

How old is COLL 7477 and does age affect safety?

COLL 7477 was built in 1984, making it 42 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.