US Bridges

County RD 118G over Noble Creek

PoorPosted for load

Coos County, Oregon · 005 Miles South Greenacre · Structure no. 11C49E011800005

Built
1970
55 years old
Condition
Poor
inspected July 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
91
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 118G over Noble Creek is a prestressed concrete slab carrying County RD 118G over Noble Creek in Coos County, Oregon. It was built in 1970, so it is 55 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 91 vehicles a day, roughly 1% of them trucks, projected to reach 103 by 2025. The structure is 30 ft (9 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 118G
CrossesNoble Creek
Location005 Miles South Greenacre
RouteCounty Highway C118G
StateOregon
Coordinates43.2526, -124.2136
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length30 ft (9 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2020)
Projected traffic103 by 2025
Trucks1%
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 118G over Noble Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is County RD 118G over Noble Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does County RD 118G over Noble Creek carry?

About 91 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is County RD 118G over Noble Creek?

The structure is 30 ft (9 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns County RD 118G over Noble Creek?

It is owned by the County Highway Agency.