US Bridges

Murphy RD over Deadman Creek

Good

Ferry County, Washington · 0.27 S Deadman Crk RD · Structure no. 086462000000000

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
25
2021 count
Owner
County
County Highway Agency

About this bridge

Murphy RD over Deadman Creek is a steel culvert carrying Murphy RD over Deadman Creek in Ferry County, Washington. It was built in 1999, so it is 26 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 38 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMurphy RD
CrossesDeadman Creek
Location0.27 S Deadman Crk RD
RouteCounty Highway 4581
Coordinates48.69989, -118.14078
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
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 evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic38 by 2040
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 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 Murphy RD over Deadman Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Murphy RD over Deadman 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 Murphy RD over Deadman Creek carry?

About 25 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Murphy RD over Deadman Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns Murphy RD over Deadman Creek?

It is owned by the County Highway Agency.