INTERSTATE 94
Carrying INTERSTATE 94 over SWAN CREEK
4 EAST OF ND 18, Cass, North Dakota
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: INTERSTATE 94
The INTERSTATE 94 bridge in Cass, North Dakota carries INTERSTATE 94 over SWAN CREEK. It was built in 1959, making it 67 years old today. It was last reconstructed in 1985, extending its service life. The structure is built primarily of concrete continuous and spans 2 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 5,850 vehicles, placing it in the moderately-trafficked tier of North Dakota 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 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 38.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How INTERSTATE 94 compares
Live comparison across North Dakota.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1959
- Last Reconstructed
- 1985
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 27.4 m (90 ft)
- Deck Width
- 13.0 m (43 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 5,850 vehicles/day
- Structure Number
- 0094334998 L
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • 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 INTERSTATE 94 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 INTERSTATE 94 against other structures in Cass 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 INTERSTATE 94?
INTERSTATE 94 in Cass, North Dakota 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 INTERSTATE 94 inspected?
INTERSTATE 94'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 5,850 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. INTERSTATE 94 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 INTERSTATE 94?
INTERSTATE 94 has an NBI inventory load rating of 38.9 metric tons.
Who is responsible for maintaining INTERSTATE 94?
INTERSTATE 94 is owned and maintained by State Highway Agency.
How old is INTERSTATE 94 and does age affect safety?
INTERSTATE 94 was built in 1959, making it 67 years old and last reconstructed in 1985.
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.
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.