FHWA NBI 2024 Inspection record Public-domain dataset

STC 1811;PEGRAM RD

Carrying STC 1811;PEGRAM RD over BEAR RIVER;PEGRAM BRIDGE

0.8 W. PEGRAM, Bear Lake, Idaho

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: STC 1811;PEGRAM RD

The STC 1811;PEGRAM RD bridge in Bear Lake, Idaho carries STC 1811;PEGRAM RD over BEAR RIVER;PEGRAM BRIDGE. It was built in 1970, making it 56 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 43.0 meters (141 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.7 metric tons.

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

How STC 1811;PEGRAM RD compares

▲ 1.4
Load rating vs Idaho average (31.3 t)
Top 39%
Higher load rating than 61% of Idaho bridges
13
Bridges in Bear Lake
STC 1811;PEGRAM RD 32.7 t
Idaho average 31.3 t

Live comparison across Idaho.

Historical Sufficiency Rating

PlainBridge-computed
86.9 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
14.9
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1970
Material
Prestressed Concrete
Number of Spans
2
Structure Length
43.0 m (141 ft)
Deck Width
9.7 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
100 vehicles/day
Structure Number
000000000019195

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether STC 1811;PEGRAM RD 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 STC 1811;PEGRAM RD against other structures in Bear Lake and across Idaho. Idaho 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 STC 1811;PEGRAM RD?

STC 1811;PEGRAM RD in Bear Lake, Idaho has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is STC 1811;PEGRAM RD inspected?

STC 1811;PEGRAM RD'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 100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STC 1811;PEGRAM RD 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 STC 1811;PEGRAM RD?

STC 1811;PEGRAM RD has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining STC 1811;PEGRAM RD?

STC 1811;PEGRAM RD is owned and maintained by County Highway Agency.

How old is STC 1811;PEGRAM RD and does age affect safety?

STC 1811;PEGRAM RD was built in 1970, making it 56 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.