US Bridges

Cedar Creek Road over Panther Creek

Good

Skamania County, Washington · 0.15 NE JCT Panther Ck RD · Structure no. 086053000000000

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
131 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Cedar Creek Road over Panther Creek is a prestressed concrete continuous tee beam carrying Cedar Creek Road over Panther Creek in Skamania County, Washington. It was built in 1993, so it is 32 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 12% of them trucks, projected to reach 50 by 2037. The structure is 131 ft (39.9 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCedar Creek Road
CrossesPanther Creek
Location0.15 NE JCT Panther Ck RD
RouteCounty Highway 21170
Coordinates45.79722, -121.86417
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckOther
Main spans1
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span127 ft (38.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic50 by 2037
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cedar Creek Road over Panther Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Cedar Creek Road over Panther 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 Cedar Creek Road over Panther Creek carry?

About 40 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Cedar Creek Road over Panther Creek?

The structure is 131 ft (39.9 m) long with a longest span of 127 ft (38.6 m) and a deck 27 ft wide.

Who owns Cedar Creek Road over Panther Creek?

It is owned by the County Highway Agency.