FLOOD02638

• County: Montrose
• Community: Montrose
• Stream Name: Uncompahgre River
• Basin: Gunnison
• Title: Montrose Flood Control and Drainage Plan
• Date: 3/1/1981
• Prepared For: Montrose
• Prepared By: Gingery Associates, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

Crossing Location

TABLE 2

STREAM CROSSING DATA

Crossing
Station

Maximum Capacity
Before Overtoppi ng
__(cf-sL__

Storm Frequency
Corresponding tc
~city (cFsL

Cr~Qssi ~iR

CEDAR CREEK

Highway 50
Rd. 64!iO
Rd. 6530
N. 3rd St.
Main Street
HillcrE>st Dr.

~10NTROSE ARROYO

N. 7th Street
Main St.-N. 1st St.
S. 1st St.
S. 4th-S. 2nd St.
S. 5th St.
S. 6th St.
S. 7th St.
S. 8th St.
S. 9th St.
S. 12th St.

DRY CEDAR CREEK

Highway 550
Wood ga te Rd.
Loutsenhizer Cnl.
Ottel' Rd.

I~EY :

.----..--.----------

20 + 00
209 + 00
285 + 00
300 + 75
314 + 00
345 + 00

12' CMP 1800 cf 5 45
15' CMP 3:WO cfs 285
10 ' Ct1P 1000 cfs 67
28' x 7.4' BR 900 cfs 53
52' x 6' BR Not Limiti ng Not Limiting
10' CMP :750 cfs 40

26 + 50 7' CMP 620 cfs 33
55 + 00 7' Crp/6' RCP i'00 cfs 40
57 + 50 5,25' x 5.i'5' RCBC [;25 cfs 25
69 + 10 4.5' CMP/6'x5.5'BC ,'00 cfs 4_3
75 + 00 6' CMP 400 cfs 16
80 + 50 7' CMP 425 cfs 17
84 + 25 5.5' CI~P ,'50 cfs 6.8
91 + 50 15.75' x 7. ~j I SPAA 1000 cfs 83
95 + 80 5.5' CiltP 2:50 c fs 6.8
107 + 00 8' x 3.25' RCBC 355 cfs 11

24 + 00
37 + 60
56 + 60
115 + 00

64' x 24.3' BR Not Limiting Not Limitin~1
36' x n. 5' BR Not Limiting Not Limitinc
75' x 15' OF Not Limiting Not Limitins
18' x 17' HBC 2000 cfs 175

BC - Box Culvert (Stone Lined)
BR - Bridge
crp -- Cast Iron Pipe
CMP Corrugated Metal Pipe
OF -- Overhead Fl ume
RCP -- Rei nforced Concrete Pi pe
RCBC -- Rei nforced Concrete Box Cul vert
SPPA -- Structural Plate Pipe Arch
WBC -- Wood Box Cul vert

Source: Hydro Triad Ltd., Floodplain Information and Urban DI'ainage Report

(Reference 1)