TxDOT bid item 506-7002: ROCK FILTER DAMS (INSTALL) (TY 2) pricing
Across the last 24 months, TxDOT bid item 506-7002 appeared on 297 lettings, priced by 225 different competitors. Start with the average unit price for a quick gut-check, then use the quantity breakdown below to match your project's scale.
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Weighted average unit price — price varies by quantity, see the full breakdown below.
$44.42
Weighted average low unit price — winning bids only; price varies by quantity, see the full breakdown below.
$45.30
Bid code
506-7002
Bid item unit
LF
Projects
297
Competitors (Vendors)
225
Projects (Top 5)
BU 271E from N of FM 2152 to N of US 67
CSJ: 0221-09-039Let date: 2026-09-03
| EAST TEXAS BRIDGE, INC. | LONGVIEW BRIDGE AND ROAD, LTD. | HIGHWAY 19 CONSTRUCTION LLC | |||
|---|---|---|---|---|---|
| Bid item qty | Bid item price | Bid item qty | Bid item price | Bid item qty | Bid item price |
| 8.00 | $220.00 | 8.00 | $220.00 | 8.00 | $85.00 |
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Bridge Replacement Anderson Creek
CSJ: 0722-03-016Let date: 2026-09-03
| EAST TEXAS BRIDGE, INC. | RB CONTRACTING, LLC | ||
|---|---|---|---|
| Bid item qty | Bid item price | Bid item qty | Bid item price |
| 100.00 | $60.00 | 100.00 | $60.00 |
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BRIDGE REPLACEMENT -29
CSJ: 0901-19-198Let date: 2026-09-03
| RB CONTRACTING, LLC | |
|---|---|
| Bid item qty | Bid item price |
| 246.00 | $50.00 |
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White Oak Creek
CSJ: 0427-01-042Let date: 2026-09-02
| LONGVIEW BRIDGE AND ROAD, LTD. | HIGHWAY 19 CONSTRUCTION LLC | THK CONSTRUCTION LLC | |||
|---|---|---|---|---|---|
| Bid item qty | Bid item price | Bid item qty | Bid item price | Bid item qty | Bid item price |
| 50.00 | $66.00 | 50.00 | $45.00 | 50.00 | $30.00 |
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SH 121 Intersection Improvements 2
CSJ: 0549-02-038Let date: 2026-09-02
| HIGHWAY 19 CONSTRUCTION LLC | JAGOE-PUBLIC COMPANY | ||
|---|---|---|---|
| Bid item qty | Bid item price | Bid item qty | Bid item price |
| 125.00 | $85.00 | 125.00 | $50.00 |
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Insights on bid item 506-7002 pricing on TxDOT bids - include across "297" lettings
Two competitors on this item, 3LW CIVIL LLC and CROSS PLUS CONSTRUCTION, LLC, have both bid as low as $0.10 per unit, well below the $44.42 quantity-weighted average across all 297 lettings. A gap that size on a installation item is a common sign of an unbalanced bid, cost shifted onto a different pay item rather than priced here directly.
Frequently asked questions on TxDOT bid item code 506-7002
- What is TxDOT bid item 506-7002?
- TxDOT bid item 506-7002 is the pay item "ROCK FILTER DAMS (INSTALL) (TY 2)". Contractors bid a unit price on this item in TxDOT lettings; this page shows those historical competitor (vendor) unit prices.
- How do I price bid item 506-7002 for my next TxDOT bid?
- Start with the average unit price for 506-7002 (ROCK FILTER DAMS (INSTALL) (TY 2)) of $44.42 as a gut-check, then match a similar quantity band and district or county and use the competitor price range in that band as your final benchmark.
- What's included in the 506-7002 unit price?
- Installation will be paid for as "Rock Filter Dams (Install)" of the type and slope as specified. This price is full compensation for furnishing and operating equipment, finish backfill and grading, lacing, proper disposal, labor, materials, tools, and incidentals.
- Why do unit prices for 506-7002 vary across competitors?
- Unit price for ROCK FILTER DAMS (INSTALL) (TY 2) scales with bid quantity, district labor and material costs, and project conditions. The average ($44.42) shows the market level for 506-7002; comparing prices within the same quantity group keeps the benchmark realistic for your bid size.
- Why did 3LW CIVIL LLC bid $0.10 on this item?
- A bid that low usually isn't the market price, it's a signal the contractor priced this item at or near zero and recovered the cost elsewhere in the bid, a strategy called unbalanced bidding. Worth excluding outliers like this when using the average as your own benchmark.
- How many TxDOT projects used bid item 506-7002 in the last 24 months?
- In the default 24-month window, bid item 506-7002 (ROCK FILTER DAMS (INSTALL) (TY 2)) appeared on 297 lettings priced by 225 different competitors (vendors). Counts update when you change the analysis window or filters.
- What is TxDOT Item 506, Temporary Erosion, Sedimentation, and Environmental Controls?
- Install, maintain, and remove erosion, sedimentation, and environmental control measures to prevent or reduce the discharge of pollutants and protect environmental resources in accordance with the Stormwater Pollution Prevention Plan (SWP3) and environmental layout shown on the plans. Comply with Texas Pollutant Discharge Elimination System (TPDES) Construction General Permit (CGP) TXR150000 requirements. Control measures are defined as Best Management Practices (BMPs) used to prevent or reduce the discharge of pollutants and measures to protect environmental resources. Control measures include, but are not limited to, rock filter dams, temporary pipe slope drains, temporary paved flumes, construction exits, earthwork for erosion control, pipe, construction perimeter fence, sandbags, temporary sediment control fence, biodegradable erosion control logs, vertical tracking, temporary or permanent seeding, and other measures. Erosion and sediment control devices must be selected from the Erosion Control Approved Products List. Perform work in a manner to prevent degradation of receiving waters, protect environmental resources, facilitate project construction, and comply with…
- Is pricing data for bid item 506-7002 public?
- Yes. TxDOT publishes bid tabulations after each letting, including every competitor's unit price on 506-7002. This page structures that public record for ROCK FILTER DAMS (INSTALL) (TY 2) so you can compare without opening each letting by hand.