US Bridges

Monroe Road over W. Branch Dragoon Creek

Good

Spokane County, Washington · 0.9 MI N. Staley Road · Structure no. 089009000000000

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
1,092
2019 count
Owner
County
County Highway Agency

About this bridge

Monroe Road over W. Branch Dragoon Creek is a prestressed concrete stringer/multi-beam or girder carrying Monroe Road over W. Branch Dragoon Creek in Spokane County, Washington. It was built in 2018, so it is 7 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 1,092 vehicles a day, roughly 20% of them trucks, projected to reach 1,572 by 2041. The structure is 76 ft (23.2 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMonroe Road
CrossesW. Branch Dragoon Creek
Location0.9 MI N. Staley Road
RouteCounty Highway 3066
Coordinates47.91568, -117.49829
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span74 ft (22.5 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,092 (2019)
Projected traffic1,572 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Monroe Road over W. Branch Dragoon Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Monroe Road over W. Branch Dragoon 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 August 2023.

How much traffic does Monroe Road over W. Branch Dragoon Creek carry?

About 1,092 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Monroe Road over W. Branch Dragoon Creek?

The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.5 m) and a deck 38 ft wide.

Who owns Monroe Road over W. Branch Dragoon Creek?

It is owned by the County Highway Agency.