US Bridges

Ingalls Creek Road over Ingalls Creek

Fair

Chelan County, Washington · 1.3W JCT US97 · Structure no. 087198000000000

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
4
2020 count
Owner
County
County Highway Agency

About this bridge

Ingalls Creek Road over Ingalls Creek is a steel stringer/multi-beam or girder carrying Ingalls Creek Road over Ingalls Creek in Chelan County, Washington. It was built in 1968, so it is 57 years old, older 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 5 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 4 vehicles a day, projected to reach 10 by 2041. The structure is 42 ft (12.8 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIngalls Creek Road
CrossesIngalls Creek
Location1.3W JCT US97
RouteCounty Highway 30170
CountyChelan County
StateWashington
Coordinates47.92193, -120.8952
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span38 ft (11.6 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2020)
Projected traffic10 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ingalls Creek Road over Ingalls Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ingalls Creek Road over Ingalls 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 September 2024.

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

About 4 vehicles per day (2020 count).

How long is Ingalls Creek Road over Ingalls Creek?

The structure is 42 ft (12.8 m) long with a longest span of 38 ft (11.6 m) and a deck 12 ft wide.

Who owns Ingalls Creek Road over Ingalls Creek?

It is owned by the County Highway Agency.