US Bridges

Washington Street over Mccoy Creek

Good

Whitman County, Washington · 0.1 S Bartlet ST · Structure no. 085385000000000

Built
1987
38 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
35
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Street over Mccoy Creek is a prestressed concrete stringer/multi-beam or girder carrying Washington Street over Mccoy Creek in Whitman County, Washington. It was built in 1987, so it is 38 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 36 by 2042. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Street
CrossesMccoy Creek
Location0.1 S Bartlet ST
RouteCity Street 890
Coordinates47.129, -117.23957
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic36 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Street over Mccoy Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Washington Street over Mccoy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Washington Street over Mccoy Creek carry?

About 35 vehicles per day (2023 count).

How long is Washington Street over Mccoy Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.5 m) and a deck 28 ft wide.

Who owns Washington Street over Mccoy Creek?

It is owned by the City or Municipal Highway Agency.