FHWA NBI 2024 Inspection record Public-domain dataset

45TH AVENUE SW

Carrying 45TH AVENUE SW over CREEK

9 EAST 1 NORTH OF CARSON, Grant, North Dakota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
5 t Inventory load rating

Bridge Snapshot: 45TH AVENUE SW

The 45TH AVENUE SW bridge in Grant, North Dakota carries 45TH AVENUE SW over CREEK. It was built in 1942, making it 84 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of North Dakota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 3/9, substructure at 6/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 4.9 metric tons.

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

How 45TH AVENUE SW compares

▼ 27.5
Load rating vs North Dakota average (32.4 t)
Bottom 3%
Lower load rating than 97% of North Dakota bridges
60
Bridges in Grant · 6 in Poor condition
45TH AVENUE SW 4.9 t
North Dakota average 32.4 t

Live comparison across North Dakota.

Historical Sufficiency Rating

PlainBridge-computed
41.0 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
26.0
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
3/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
4.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1942
Material
Wood or Timber
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
7.4 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
10 vehicles/day
Structure Number
000000019135190

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

45TH AVENUE SW 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 45TH AVENUE SW against other structures in Grant and across North Dakota. North Dakota 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 45TH AVENUE SW?

45TH AVENUE SW in Grant, North Dakota has a deck rating of 7/9, superstructure rating of 3/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 45TH AVENUE SW inspected?

45TH AVENUE SW'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 10 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 45TH AVENUE SW 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 45TH AVENUE SW?

45TH AVENUE SW has an NBI inventory load rating of 4.9 metric tons.

Who is responsible for maintaining 45TH AVENUE SW?

45TH AVENUE SW is owned and maintained by County Highway Agency.

How old is 45TH AVENUE SW and does age affect safety?

45TH AVENUE SW was built in 1942, making it 84 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.