US Bridges

Mission Creek Road over Mission Creek

Fair

Chelan County, Washington · 2.15 S JCT Coates RD · Structure no. 085632000000000

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
245
2020 count
Owner
County
County Highway Agency

About this bridge

Mission Creek Road over Mission Creek is a prestressed concrete tee beam carrying Mission Creek Road over Mission Creek in Chelan 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 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 245 vehicles a day, roughly 4% of them trucks, projected to reach 310 by 2045. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMission Creek Road
CrossesMission Creek
Location2.15 S JCT Coates RD
RouteCounty Highway 92410
CountyChelan County
StateWashington
Coordinates47.47154, -120.49101
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2020)
Projected traffic310 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mission Creek Road over Mission Creek built?

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

What condition is Mission Creek Road over Mission Creek 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 October 2024.

How much traffic does Mission Creek Road over Mission Creek carry?

About 245 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Mission Creek Road over Mission Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.6 m) and a deck 28 ft wide.

Who owns Mission Creek Road over Mission Creek?

It is owned by the County Highway Agency.