US Bridges

Road over Log Creek

Good

Kittitas County, Washington · No Data Entered · Structure no. 061703000001482

Built
1978
47 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
50
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Log Creek is a concrete continuous frame carrying Road over Log Creek in Kittitas County, Washington. It was built in 1978, so it is 47 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 80 ft (24.4 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesLog Creek
LocationNo Data Entered
RouteFederal Lands Road 41100
Coordinates47.20361, -121.27556
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating71.1 US tons
Inventory rating43 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span50 ft (15.2 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1995)
Projected traffic75 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Log Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Road over Log 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 August 2024.

How much traffic does Road over Log Creek carry?

About 50 vehicles per day (1995 count).

How long is Road over Log Creek?

The structure is 80 ft (24.4 m) long with a longest span of 50 ft (15.2 m) and a deck 17 ft wide.

Who owns Road over Log Creek?

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