US Bridges

County RD 9 over Evans Creek

Good

Coos County, Oregon · 004 MI N Fairview · Structure no. 16744 009 00040

Built
1987
38 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
1,074
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 9 over Evans Creek is a prestressed concrete tee beam carrying County RD 9 over Evans Creek in Coos County, Oregon. It was built in 1987, so it is 38 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 1,074 vehicles a day, roughly 10% of them trucks, projected to reach 1,214 by 2025. The structure is 67 ft (20.4 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 9
CrossesEvans Creek
Location004 MI N Fairview
RouteCounty Highway C0009
StateOregon
Coordinates43.2164, -124.07594
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,074 (2020)
Projected traffic1,214 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 9 over Evans Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is County RD 9 over Evans 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 2024.

How much traffic does County RD 9 over Evans Creek carry?

About 1,074 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 9 over Evans Creek?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 35 ft wide.

Who owns County RD 9 over Evans Creek?

It is owned by the County Highway Agency.