FHWA NBI 2024 Inspection record Public-domain dataset

US 77

Carrying US 77 over SANDY CREEK

1.70 MI W OF SH 36, Milam, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: US 77

The US 77 bridge in Milam, Texas carries US 77 over SANDY CREEK. It was built in 1936, making it 90 years old today. It was last reconstructed in 1970, extending its service life. The structure is built primarily of concrete and spans 6 sections, stretching 63.1 meters (207 feet) end to end. Daily traffic averages 3,505 vehicles, placing it in the moderately-trafficked tier of Texas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 26.3 metric tons.

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

How US 77 compares

▼ 2.0
Load rating vs Texas average (28.3 t)
Top 48%
Higher load rating than 52% of Texas bridges
191
Bridges in Milam · 2 in Poor condition
US 77 26.3 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
90.7 / 100 - historical 80–100 band
Structural adequacy /55
50.1
Serviceability /30
30.0
Essentiality /15
13.6
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
26.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1936
Last Reconstructed
1970
Material
Concrete
Number of Spans
6
Structure Length
63.1 m (207 ft)
Deck Width
15.4 m (51 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,505 vehicles/day
Structure Number
171660021001009

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • 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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether US 77 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 US 77 against other structures in Milam and across Texas. Texas 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 US 77?

US 77 in Milam, Texas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is US 77 inspected?

US 77'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 3,505 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 77 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 US 77?

US 77 has an NBI inventory load rating of 26.3 metric tons.

Who is responsible for maintaining US 77?

US 77 is owned and maintained by State Highway Agency.

How old is US 77 and does age affect safety?

US 77 was built in 1936, making it 90 years old and last reconstructed in 1970.

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.