US Bridges

Sharps CR RD over Boulder Creek

Fair

Lane County, Oregon · 160 MI SE Cottage Grove · Structure no. 39C232246000145

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
386
2020 count
Owner
County
County Highway Agency

About this bridge

Sharps CR RD over Boulder Creek is a prestressed concrete slab carrying Sharps CR RD over Boulder Creek in Lane County, Oregon. It was built in 1966, so it is 59 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 386 vehicles a day, roughly 10% of them trucks, projected to reach 451 by 2025. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSharps CR RD
CrossesBoulder Creek
Location160 MI SE Cottage Grove
RouteCounty Highway C2460
CountyLane County
StateOregon
Coordinates43.6799, -122.83323
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic386 (2020)
Projected traffic451 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-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 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 Sharps CR RD over Boulder Creek built?

It was built in 1966, making it 59 years old in 2025.

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

About 386 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sharps CR RD over Boulder Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Sharps CR RD over Boulder Creek?

It is owned by the County Highway Agency.