US Bridges

Day Creek Road over Lone Ranch Creek

Good

Ferry County, Washington · 1.2 E JCT SR 21 · Structure no. 089536000000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
19
2010 count
Owner
County
County Highway Agency

About this bridge

Day Creek Road over Lone Ranch Creek is a steel stringer/multi-beam or girder carrying Day Creek Road over Lone Ranch Creek in Ferry County, Washington. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19 vehicles a day, roughly 10% of them trucks, projected to reach 33 by 2044. The structure is 50 ft (15.2 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesDay Creek Road
CrossesLone Ranch Creek
Location1.2 E JCT SR 21
RouteCounty Highway 6510
Coordinates48.97669, -118.50927
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable 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 rating60.7 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.5 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2010)
Projected traffic33 by 2044
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Day Creek Road over Lone Ranch Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Day Creek Road over Lone Ranch 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 Day Creek Road over Lone Ranch Creek carry?

About 19 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Day Creek Road over Lone Ranch Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 22 ft wide.

Who owns Day Creek Road over Lone Ranch Creek?

It is owned by the County Highway Agency.