US Bridges

Bridge Creek Road over Cornstalk Creek

Good

Ferry County, Washington · 25.25 E SR21 · Structure no. 087049000000000

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
26 ft
1 main span
Daily traffic
1,493
2021 count
Owner
County
County Highway Agency

About this bridge

Bridge Creek Road over Cornstalk Creek is a aluminum, wrought iron, or cast iron culvert carrying Bridge Creek Road over Cornstalk Creek in Ferry County, Washington. It was built in 2000, so it is 25 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 1,493 vehicles a day, roughly 5% of them trucks, projected to reach 2,500 by 2040. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesBridge Creek Road
CrossesCornstalk Creek
Location25.25 E SR21
RouteCounty Highway 20
Coordinates48.29327, -118.30697
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,493 (2021)
Projected traffic2,500 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge Creek Road over Cornstalk Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Bridge Creek Road over Cornstalk 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 June 2023.

How much traffic does Bridge Creek Road over Cornstalk Creek carry?

About 1,493 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Bridge Creek Road over Cornstalk Creek?

The structure is 26 ft (7.8 m) long with a longest span of 10 ft (3.2 m).

Who owns Bridge Creek Road over Cornstalk Creek?

It is owned by the County Highway Agency.