US Bridges

Water Street over Town Ditch

Fair

Kittitas County, Washington · 00.24 South Helena Street · Structure no. 087058000000000

Built
2003
22 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
6,556
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Water Street over Town Ditch is a concrete slab carrying Water Street over Town Ditch in Kittitas County, Washington. It was built in 2003, so it is 22 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,556 vehicles a day, roughly 10% of them trucks, projected to reach 17,395 by 2036. The structure is 23 ft (7 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWater Street
CrossesTown Ditch
Location00.24 South Helena Street
RouteCity Street 35760
CountyKittitas County
StateWashington
Coordinates47.01056, -120.55032
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.5 US tons
Inventory rating14.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width61 ft (18.6 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,556 (2016)
Projected traffic17,395 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$513,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Water Street over Town Ditch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Water Street over Town Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Water Street over Town Ditch carry?

About 6,556 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Water Street over Town Ditch?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 61 ft wide.

Who owns Water Street over Town Ditch?

It is owned by the City or Municipal Highway Agency.