FHWA NBI 2024 Inspection record Public-domain dataset

I 70 FRONTAGE SR

Carrying I 70 FRONTAGE SR over UP RR SR

NE / DOTSERO INTERCHANGE, Eagle, Colorado

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: I 70 FRONTAGE SR

The I 70 FRONTAGE SR bridge in Eagle, Colorado carries I 70 FRONTAGE SR over UP RR SR. It was built in 1935, making it 91 years old today. The structure is built primarily of steel and spans 3 sections, stretching 43.3 meters (142 feet) end to end. Daily traffic averages 2,296 vehicles, placing it in the moderately-trafficked tier of Colorado bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. 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 I 70 FRONTAGE SR compares

▼ 19.0
Load rating vs Colorado average (37.1 t)
Bottom 7%
Lower load rating than 93% of Colorado bridges
174
Bridges in Eagle · 9 in Poor condition
I 70 FRONTAGE SR 18.1 t
Colorado average 37.1 t

Live comparison across Colorado.

Historical Sufficiency Rating

PlainBridge-computed
46.0 / 100 - historical 20–49.9 band
Structural adequacy /55
27.4
Serviceability /30
18.6
Essentiality /15
0.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
18.1 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1935
Material
Steel
Number of Spans
3
Structure Length
43.3 m (142 ft)
Deck Width
10.2 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,296 vehicles/day
Structure Number
F-08-D

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

I 70 FRONTAGE SR 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 I 70 FRONTAGE SR against other structures in Eagle 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 I 70 FRONTAGE SR?

I 70 FRONTAGE SR in Eagle, Colorado has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is I 70 FRONTAGE SR inspected?

I 70 FRONTAGE SR'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 2,296 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I 70 FRONTAGE SR 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 I 70 FRONTAGE SR?

I 70 FRONTAGE SR has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining I 70 FRONTAGE SR?

I 70 FRONTAGE SR is owned and maintained by State Highway Agency.

How old is I 70 FRONTAGE SR and does age affect safety?

I 70 FRONTAGE SR was built in 1935, making it 91 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.