US Bridges

Coquille River RD over Panther Creek

Good

Coos County, Oregon · 10 MI So. of 97466 · Structure no. 061105000001123

Built
1979
46 years old
Condition
Good
inspected June 2021
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
32
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Coquille River RD over Panther Creek is a prestressed concrete slab carrying Coquille River RD over Panther Creek in Coos County, Oregon. It was built in 1979, so it is 46 years old, younger than the Oregon average of 49.9 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 32 vehicles a day, projected to reach 48 by 2045. The structure is 58 ft (17.7 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesCoquille River RD
CrossesPanther Creek
Location10 MI So. of 97466
RouteFederal Lands Road 33480
StateOregon
Coordinates42.74994, -123.99456
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 inspectionJune 2021
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 alignment6: Equal to present minimum criteria
Operating rating84.1 US tons
Inventory rating45.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length58 ft (17.7 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 traffic32 (1995)
Projected traffic48 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 Coquille River RD over Panther Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Coquille River RD 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 2021.

How much traffic does Coquille River RD over Panther Creek carry?

About 32 vehicles per day (1995 count).

How long is Coquille River RD over Panther Creek?

The structure is 58 ft (17.7 m) long with a longest span of 50 ft (15.2 m) and a deck 17 ft wide.

Who owns Coquille River RD over Panther Creek?

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