Public DOT market data · Louisiana Department of Transportation and Development

Louisiana roadwork,
by the numbers.

A current, source-documented view of the contractors, competition, and project mix shaping the Louisiana heavy-highway market.

$6.6Bin trusted Louisiana DOT contracts let since January 1, 2020.
Market brief

The Louisiana public bid market at a glance

Louisiana Department of Transportation and Development has let 1,655 projects represented in this dataset. Competitive bid tabs average 2.5 bidders per job.

Data through
September 9, 2026
Page generated
September 16, 2026
History begins
January 1, 2020
Source
Louisiana Department of Transportation and Development
Dollars let
$6.6BApparent low-bid dollars on trusted contracts
Jobs
1,655Contracts since January 1, 2020
Competition
2.5Average bidders per covered job
Estimate variance
-1.8%Median low bid vs. estimate · n=1370
Project mix

Top work types by awarded volume

The chart data in accessible table form.
Work typeJobsVolume
Bridge153$2.1B
Overlay387$1.8B
Drainage135$481.3M
Construction158$356.0M
Milling46$149.9M
Signing/Striping61$86.4M
BRIDGE REPLACEMENT33$78.7M
Grading, Clearing and Grubbing, Removal of Asphalt Pavement and Base, Subgrade Treatment, Class II Base Course, Drainage Structures, Asphalt Concrete Pavement, Portland Cement Con1$41.4M
Contractor landscape

Top contractors by apparent low-bid volume

Ranked by total dollars won in the published snapshot.
ContractorWinsJobs bidDollars won
JB JAMES CONSTRUCTION LLC17111$630.4M
James Construction Group LLC618$597.8M
Barriere Construction Company, LLC108229$480.3M
Prairie Contractors LLC60102$332.4M
Diamond B Construction Co., L.L.C.82173$327.1M
GILCHRIST CONSTRUCTION COMPANY, LLC31142$324.6M
Glenn Lege Construction LLC3173$194.2M
Boh Bros. Construction Co., LLC.2192$186.4M
Madden Contracting Co., LLC3342$181.8M
Brown Industrial Construction1537$179.7M
Latest letting result

September 9, 2026

H.009602 · Caldwell

clearing and grubbing, grading, drainage structures, class ii base course, pavement patching, milling asphalt pavement, asphalt surface treatment, asphalt concrete overlay, and related work.

Apparent low bidder: GILCHRIST CONSTRUCTION COMPANY, LLC · 3 bidders

$2.9M

See all letting results from September 9, 2026

Explore the snapshot

Geographies, prices, and contractors

Terrebonne · Tangipahoa · Lafayette · East Baton Rouge · Orleans · Iberia · Vermilion · St. Martin · Ascension · Livingston · Statewide · Catahoula · Mobilization · Temporary Signs and Barricades · Construction Layout · Reflectorized Raised Pavement Markers · Asphalt Concrete · Plastic Pavement Striping (Solid Line) (4" Width) (Thermoplastic 90 mil) · Asphalt Concrete, Drives, Turnouts and Miscellaneous · Temporary Silt Fencing · Barriere Construction Company, LLC · Diamond B Construction Co., L.L.C. · GILCHRIST CONSTRUCTION COMPANY, LLC · JB JAMES CONSTRUCTION LLC · Barber Bros. Contracting Co., L.L.C · Prairie Contractors LLC · Madden Gulf Coast, LLC · D & J CONSTRUCTION CO., LLC

Questions answered

About this Louisiana DOT dataset

How much louisiana DOT work is included?

This hub includes 1,655 trusted contracts totaling $6.6B, beginning January 1, 2020.

Where does this data come from?

BidCrew collects public letting, contract, bid-tabulation, and engineer-estimate records published by Louisiana Department of Transportation and Development. Quarantined or future records are excluded.

How often is this page updated?

The page is generated from an immutable public snapshot. The current data runs through September 9, 2026, and the visible update date shows when this snapshot was created.

How is estimate accuracy calculated?

Estimate accuracy compares the apparent low bid with the source-reported engineer estimate for 1,370 contracts and reports the median ratio.

Last updated September 16, 2026 with source data through September 9, 2026. Work types may be source-reported or inferred from item codes. Read the methodology and data dictionary or report a correction.