US Bridges

County RD 60 over Middle Creek

Fair

Coos County, Oregon · 002 Miles So of Mckinley · Structure no. 08710 000 02107

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
750
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 60 over Middle Creek is a concrete continuous tee beam carrying County RD 60 over Middle Creek in Coos County, Oregon. It was built in 1960, so it is 65 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 750 vehicles a day, roughly 10% of them trucks, projected to reach 850 by 2025. The structure is 111 ft (33.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 60
CrossesMiddle Creek
Location002 Miles So of Mckinley
RouteCounty Highway 0A396
StateOregon
Coordinates43.18427, -124.02422
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating27.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length111 ft (33.8 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic850 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 60 over Middle Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is County RD 60 over Middle Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does County RD 60 over Middle Creek carry?

About 750 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 60 over Middle Creek?

The structure is 111 ft (33.8 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns County RD 60 over Middle Creek?

It is owned by the County Highway Agency.