How many bidders does a TxDOT letting attract?

A TxDOT letting drew 4.7 bidders on average (median 4) across the 2,206 lettings with published bid tabs between September 3, 2025 to September 3, 2026; 8.4% of lettings had a single bidder.

Source: TxDOT Bid Tab Rankings (every published letting), BidSparq

Data as of: September 9, 2026 (refreshed weekly)

Sample: 2,206 TxDOT lettings with published bid tabs, 10,274 bids from 533 contractors, lettings September 3, 2025 to September 3, 2026 (as of 2026-09-09).

License: free to cite with attribution to BidSparq

Essential statistics

  • 1 bidder: 185 lettings (8.4%).
  • 2 bidders: 368 lettings (16.7%).
  • 3 bidders: 345 lettings (15.6%).
  • 4 bidders: 323 lettings (14.6%).
  • 5 bidders: 255 lettings (11.6%).
  • 6+ bidders: 730 lettings (33.1%).
  • By project type, competition runs from a median of 3 bidders (Maintenance) to 6 (Construction).

Bidders per TxDOT letting, September 3, 2025 to September 3, 2026

BiddersLettingsShare
11858.4%
236816.7%
334515.6%
432314.6%
525511.6%
6+73033.1%

What this means

A bid tab is the tabulation TxDOT publishes after a letting: every bidder, every bid item, every unit price, next to the sealed engineer's estimate. This corpus holds every TxDOT letting that published bid tabs on data.texas.gov, loaded weekly and matched against the source month by month, so these are counts and rankings over the whole population, not a sample.

The low bidder is the apparent low bid at letting. TxDOT can still reject bids or re-let a project, so low bids are not the same as awards, and one bid means one contractor on one letting.

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