US Bridges

CO RD 9241 over Mission Creek

Good

Chelan County, Washington · 0.38N JCT Coates RD · Structure no. 080951000000000

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
798
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 9241 over Mission Creek is a prestressed concrete stringer/multi-beam or girder carrying CO RD 9241 over Mission Creek in Chelan County, Washington. It was built in 1996, so it is 29 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 798 vehicles a day, roughly 1% of them trucks, projected to reach 998 by 2045. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO RD 9241
CrossesMission Creek
Location0.38N JCT Coates RD
RouteCounty Highway 92410
Coordinates47.50396, -120.47464
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 rating47.8 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width28 ft (8.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic798 (2020)
Projected traffic998 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 9241 over Mission Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is CO RD 9241 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 CO RD 9241 over Mission Creek carry?

About 798 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is CO RD 9241 over Mission Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 28 ft wide.

Who owns CO RD 9241 over Mission Creek?

It is owned by the County Highway Agency.