bridge no. 5515 over the spokane river at state line (looking south) 1 of 19

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Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

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Page 1: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Bridge No. 5515over the Spokane River at State Line

(looking south)1 of 19

Page 2: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Objectives of Project• Ensure safety of the traveling public

• Minimize impacts to the environment and the traveling public

• Expedite Design, Environmental Permitting, Right of Way and Construction time to replace the existing bridge before it fails and an unplanned bridge closure is required

• Construct an Economical, Functional and Aesthetically pleasing project which meets the demands of motorized and trail users today and in the future

• Partner with State and County Parks Departments to eliminate the Centennial Trail at-grade crossing and minimize Park land impacts

• Utilize modern bridge methods with longer spans to construct a bridge with fewer piers in the Spokane River to “open up” the waterway

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Page 3: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Existing Bridge Facts

• Built in 1939 (69 years old)• 512 ft. long• Originally 48 ft. wide, but currently restricted to 26 ft.

(2- 11 ft. lanes with 2 ft. shoulders)• Currently has weight restrictions of 10,000 lbs or less

(cars and pickup trucks only)• Deteriorating concrete• Cracked hinges• Piers in river flow• Footing is undermined at river pier• Inspection frequency increased to 1 year due to

condition of bridge

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Page 4: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Bridge has a weight limit of 10,000 lbs or less4 of 19

Page 5: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Bridge is restricted to two lanes5 of 19

Page 6: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Deteriorated

concrete

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Page 7: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Elevation of bridge showing hinge locations

Hinge Location

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Hinge Location

Page 8: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

View from below of hinge locations

Hinge

Hinge

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Page 9: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Hinge in fair condition9 of 19

Page 10: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Cracked Hinge Bracket10 of 19

Page 11: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Broken hanger on old Harvard Rd. bridge and the results at roadway level 11 of 19

Page 12: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Broken hanger from old Harvard Rd. bridge12 of 19

Page 13: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Proposed Bridge Information

• On same alignment as existing bridge• 480 ft. long• 32 ft. wide roadway with 10 ft. wide ‘Shared Use’ trail

(2- 12 ft. lanes with 4 ft. shoulders)• Centennial trail rerouted to pass under south end of bridge• Piers at edge of river “opens up” waterway• Road closed with alternate routes during construction• Built over 2 construction seasons

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Page 14: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Road Closure• The preferred alignment for this project will require closing the road for a period of

approximately 18 months

• The following is a list of services which could be affected and how the impacts to the public will be addressed or mitigated:

• Emergency Services– Fire Department

- The area north of the river will be served by the Spokane Valley Fire Department, Station #3 located on North Harvard Road and Station #4 on East Wellesley

– Ambulance Service- AMR Ambulance Company has been informed of the proposed closure of the bridge

• School Districts– School buses from Central Valley and East Valley do not use bridge on regular routes

• Postal and Delivery Services– Postal and delivery services do not use bridge currently

• Garbage Collection– Garbage trucks can not use bridge currently

Alternate routes around the project area are presented at the end of slide show 14 of 19

Page 15: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Preferred Alignment15 of 19

Page 16: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Proposed Bridge Cross Section16 of 19

Page 17: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Proposed Bridge Elevation

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Page 18: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Proposed realignment of the Centennial Trail

(If funding is obtained)18 of 19

Page 19: Bridge No. 5515 over the Spokane River at State Line (looking south) 1 of 19

Alternate Routes19 of 19

PROJECT LOCATION

EXIT 296

EXIT 299

EXIT 2

WA

SH

ING

TO

N

IDA

HO

NO TRUCKS

TRUCK ROUTE

SPOKANE VALLEYFIRE STA. #3

TRUCK ROUTE

Ple

as

an

t V

iew

Rd

.

Legend

Truck Route Cars and Pickups only

SPOKANE VALLEYFIRE STA. #4

KOOTENAI COUNTYFIRE STA. #2