FHWA NBI 2024 Inspection record Public-domain dataset

E1750

Carrying E1750 over CREEK

7.3E 2.S OF MANITOU, Tillman, Oklahoma

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: E1750

The E1750 bridge in Tillman, Oklahoma carries E1750 over CREEK. It was built in 1938, making it 88 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 30 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition 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 E1750 compares

▲ 0.3
Load rating vs Oklahoma average (32.4 t)
Top 50%
Higher load rating than 50% of Oklahoma bridges
281
Bridges in Tillman · 7 in Poor condition
E1750 32.7 t
Oklahoma average 32.4 t

Live comparison across Oklahoma.

Historical Sufficiency Rating

PlainBridge-computed
97.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1938
Material
Concrete
Number of Spans
3
Structure Length
7.9 m (26 ft)
Deck Width
8.5 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
30 vehicles/day
Structure Number
057990000000000

How to read this record

This page shows what the last federal inspection recorded, not whether E1750 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 E1750 against other structures in Tillman and across Oklahoma. Oklahoma 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 E1750?

E1750 in Tillman, Oklahoma on the FHWA's 0–9 scale.

How often is E1750 inspected?

E1750'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 30 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. E1750 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for E1750?

E1750 has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining E1750?

E1750 is owned and maintained by County Highway Agency.

How old is E1750 and does age affect safety?

E1750 was built in 1938, making it 88 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.