US Bridges

3rd Street over Branch of Mccoy Creek

Good

Whitman County, Washington · 0.10 MI N Steptoe ST · Structure no. 085910000000000

Built
1992
33 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
60
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

3rd Street over Branch of Mccoy Creek is a concrete continuous culvert carrying 3rd Street over Branch of Mccoy Creek in Whitman County, Washington. It was built in 1992, so it is 33 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 61 by 2044. The structure is 28 ft (8.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries3rd Street
CrossesBranch of Mccoy Creek
Location0.10 MI N Steptoe ST
RouteCity Street 890
Coordinates47.12993, -117.24568
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic61 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3rd Street over Branch of Mccoy Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 3rd Street over Branch of 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 2024.

How much traffic does 3rd Street over Branch of Mccoy Creek carry?

About 60 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is 3rd Street over Branch of Mccoy Creek?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 29 ft wide.

Who owns 3rd Street over Branch of Mccoy Creek?

It is owned by the City or Municipal Highway Agency.