US Bridges

Jackson Road over Rattlers Run Creek

Good

Spokane County, Washington · 1.1 N Fairfield · Structure no. 087705000000000

Built
1915
110 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
85
2020 count
Owner
County
County Highway Agency

About this bridge

Jackson Road over Rattlers Run Creek is a concrete culvert carrying Jackson Road over Rattlers Run Creek in Spokane County, Washington. It was built in 1915, so it is 110 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 85 vehicles a day, roughly 29% of them trucks, projected to reach 122 by 2042. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesJackson Road
CrossesRattlers Run Creek
Location1.1 N Fairfield
RouteCounty Highway 2102
Coordinates47.40763, -117.17911
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 15
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2020)
Projected traffic122 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson Road over Rattlers Run Creek built?

It was built in 1915, making it 110 years old in 2025.

What condition is Jackson Road over Rattlers Run 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 July 2024.

How much traffic does Jackson Road over Rattlers Run Creek carry?

About 85 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is Jackson Road over Rattlers Run Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Jackson Road over Rattlers Run Creek?

It is owned by the County Highway Agency.