TideGateway

Revere-08I

Revere, Townline Brook

42.433704, -71.018815

Technical Specifications

Basic Properties

Type
Flap Gate
Material
Metal
Geometry
Rectangular
Status
Active
Number of Gates
0

Operator & Management

Operator
DOT and DCR are co-permitees
Purpose
Flood Protection

Dimensions & Elevations

Culvert Details

Restriction Type
Roadway
Geometry
Rectangular
Material
Concrete
Number of Pipes
0
Comments
Based on photos, it is unclear how many culverts are present at the site and what their dimensions are. A photo of the upstream end of the restriction shows that there are 15 metal trash grates installed at a concrete headwall while the tide gates are installed at the downstream headwall.

2024 Field Survey Results

Comprehensive field assessment conducted in 2024

Physical Conditions Assessment

Channel Conditions

Channel Alteration
Severe (>398 ft/acre)
Channel Constriction
Equal to channel
Channel Erosion
Little (<10% of bank)
Sediment Deposits
None

Blockages & Issues

Debris Blockages
Limited (<10% of opening)
Evidence of Overtopping
No

Transect Measurements

50 Yards

Open Water
33
Salt Marsh
0
Brackish
0
Freshwater
0
Ditch
0
Unvegetated
0

150 Yards

Open Water
30
Salt Marsh
0
Brackish
0
Freshwater
0
Ditch
0
Unvegetated
0

300 Yards

Open Water
25
Salt Marsh
0
Brackish
0
Freshwater
0
Ditch
0
Unvegetated
0

Ecological Assessment

Habitat Observations

Crab Burrow Intensity
None
Ponding Depressions
None
Phragmites Present
Limited (<10%)
Ecological Impairment
None

Invasive Species

Upstream Invasive Species
Yes
Downstream Invasive Species
Yes
Invasive Species Notes
Phragmites mostly related to stormwater outlets and weeping hillside.
Additional Comments (2024)
Upstream has been completely channelized with portions of reinforced bank all the way to the next upstream crossings. No upstream marsh exists due to steep channel banks except for small pockets along areas of more gradual bank. Downstream side inaccessible due to state highway.

Historical Records

Legacy data from previous surveys and documentation

Environmental Data

Invasive Species
Yes
Invasive Comments
Perennial pepperweed, phragmites, and others.
Upstream Area
Total: 40

Notes & Comments

General Comments
Site is located off of Route 1 to the northeast of the Showcase cinemas.
Gate Comments
There are three (3) metal self regulating tide gates (SRTs) installed at the site and an additional eight (8) conventional metal flap gates. The SRTs are located at the southernmost end of the headwall. The conventional metal flap gates are present for flood protection while the SRTs are installed to provide flood protection and restoration. Based on plans and photos it appears that the dimensions of the 3 SRT's are approximately 6' by 6'. Dimensions of the flap gates are unknown, but also appear to be on the order of 6' by 6'. As of 11/4/2015, the central SRT (Revere-08B) was missing the bottom float and not operational. Tidal leakage was also observed at and around the conventional flap gates.
Other Comments
Upstream affected area is approximate.
© 2025 Massachusetts Bays Program. Monitoring tidegates across Massachusetts.