US Bridges

Sharps CR RD over Sharps Creek

FairPosted for load

Lane County, Oregon · 230 MI SE Cottage Grove · Structure no. 20668 246000872

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
360
2020 count
Owner
County
County Highway Agency

About this bridge

Sharps CR RD over Sharps Creek is a prestressed concrete box beam or girders - multiple carrying Sharps CR RD over Sharps Creek in Lane County, Oregon. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 360 vehicles a day, roughly 15% of them trucks, projected to reach 390 by 2025. The structure is 91 ft (27.7 m) long and 16 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesSharps CR RD
CrossesSharps Creek
Location230 MI SE Cottage Grove
RouteCounty Highway C2460
CountyLane County
StateOregon
Coordinates43.60124, -122.76164
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.6 US tons
Inventory rating20.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2020)
Projected traffic390 by 2025
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$466,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sharps CR RD over Sharps Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Sharps CR RD over Sharps 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 Sharps CR RD over Sharps Creek carry?

About 360 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Sharps CR RD over Sharps Creek?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 16 ft wide.

Who owns Sharps CR RD over Sharps Creek?

It is owned by the County Highway Agency.