FHWA NBI 2024 Inspection record Public-domain dataset

U.S. ROUTE 89

Carrying U.S. ROUTE 89 over GROS VENTRE IRRIGATION D

6.3 miles north of Jackso, Teton, Wyoming

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
35 t Inventory load rating

Bridge Snapshot: U.S. ROUTE 89

The U.S. ROUTE 89 bridge in Teton, Wyoming carries U.S. ROUTE 89 over GROS VENTRE IRRIGATION D. It was built in 1963, making it 63 years old today. The structure is built primarily of concrete and spans 1 section, stretching 19.2 meters (63 feet) end to end. Daily traffic averages 8,000 vehicles, placing it in the moderately-trafficked tier of Wyoming bridges. It is owned and maintained by National Park Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 35.4 metric tons.

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

How U.S. ROUTE 89 compares

▲ 1.9
Load rating vs Wyoming average (33.5 t)
Top 29%
Higher load rating than 71% of Wyoming bridges
119
Bridges in Teton · 15 in Poor condition
U.S. ROUTE 89 35.4 t
Wyoming average 33.5 t

Live comparison across Wyoming.

Historical Sufficiency Rating

PlainBridge-computed
69.3 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
27.0
Essentiality /15
0.0
Special reductions
−2.7

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1963
Material
Concrete
Number of Spans
1
Structure Length
19.2 m (63 ft)
Deck Width
12.2 m (40 ft)
Owner
National Park Service
Avg Daily Traffic
8,000 vehicles/day
Structure Number
1460008P0000000

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) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether U.S. ROUTE 89 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 U.S. ROUTE 89 against other structures in Teton and across Wyoming. Wyoming 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 U.S. ROUTE 89?

U.S. ROUTE 89 in Teton, Wyoming has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is U.S. ROUTE 89 inspected?

U.S. ROUTE 89'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 8,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. U.S. ROUTE 89 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 U.S. ROUTE 89?

U.S. ROUTE 89 has an NBI inventory load rating of 35.4 metric tons.

Who is responsible for maintaining U.S. ROUTE 89?

U.S. ROUTE 89 is owned and maintained by National Park Service.

How old is U.S. ROUTE 89 and does age affect safety?

U.S. ROUTE 89 was built in 1963, making it 63 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.