US Bridges

Mission Creek Road over Mission Creek

Good

Chelan County, Washington · 0.04 W JCT Binder RD · Structure no. 080174000000000

Built
1950
75 years old, rebuilt 1983
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,505
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 1950 and reconstructed in 1983, so it is 75 years old, older 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 1,505 vehicles a day, roughly 6% of them trucks, projected to reach 1,882 by 2045. The structure is 30 ft (9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMission Creek Road
CrossesMission Creek
Location0.04 W JCT Binder RD
RouteCounty Highway 92410
Coordinates47.50984, -120.47315
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9 m)
Longest span29 ft (8.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,505 (2020)
Projected traffic1,882 by 2045
Trucks6%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mission Creek Road over Mission Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1983.

What condition is Mission Creek Road over Mission 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 October 2024.

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

About 1,505 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Mission Creek Road over Mission Creek?

The structure is 30 ft (9 m) long with a longest span of 29 ft (8.7 m) and a deck 28 ft wide.

Who owns Mission Creek Road over Mission Creek?

It is owned by the County Highway Agency.