US Bridges

Mc Daniel Lake RD over Rattlesnake Creek

Good

Yakima County, Washington · To Mc Daniel Lake · Structure no. 061708000001515

Built
1998
27 years old, rebuilt 2018
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
1 main span
Daily traffic
30
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Mc Daniel Lake RD over Rattlesnake Creek is a prestressed concrete stringer/multi-beam or girder carrying Mc Daniel Lake RD over Rattlesnake Creek in Yakima County, Washington. It was built in 1998 and reconstructed in 2018, so it is 27 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 30 vehicles a day, projected to reach 45 by 2045. The structure is 145 ft (44.3 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesMc Daniel Lake RD
CrossesRattlesnake Creek
LocationTo Mc Daniel Lake
RouteFederal Lands Road 15020
Coordinates46.80944, -121.06722
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.1 US tons
Inventory rating56.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length145 ft (44.3 m)
Longest span140 ft (42.7 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1995)
Projected traffic45 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mc Daniel Lake RD over Rattlesnake Creek built?

It was built in 1998, making it 27 years old in 2025. It was reconstructed in 2018.

What condition is Mc Daniel Lake RD over Rattlesnake 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 September 2023.

How much traffic does Mc Daniel Lake RD over Rattlesnake Creek carry?

About 30 vehicles per day (1995 count).

How long is Mc Daniel Lake RD over Rattlesnake Creek?

The structure is 145 ft (44.3 m) long with a longest span of 140 ft (42.7 m) and a deck 17 ft wide.

Who owns Mc Daniel Lake RD over Rattlesnake Creek?

It is owned by the U.S. Forest Service.