US Bridges

Sams Creek RD over Simpson Creek

Fair

Lincoln County, Oregon · MP14.9 Corvallis-Newport · Structure no. 41C40 42404 565

Built
2000
25 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
161
2020 count
Owner
County
County Highway Agency

About this bridge

Sams Creek RD over Simpson Creek is a concrete culvert carrying Sams Creek RD over Simpson Creek in Lincoln County, Oregon. It was built in 2000, so it is 25 years old, younger 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 161 vehicles a day, roughly 10% of them trucks, projected to reach 222 by 2040. The structure is 28 ft (8.5 m) long and 89 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSams Creek RD
CrossesSimpson Creek
LocationMP14.9 Corvallis-Newport
RouteCounty Highway 0
StateOregon
Coordinates44.67512, -123.85125
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.8 US tons
Inventory rating70.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width89 ft (27.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2020)
Projected traffic222 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Sams Creek RD over Simpson Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Sams Creek RD over Simpson 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 Sams Creek RD over Simpson Creek carry?

About 161 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sams Creek RD over Simpson Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 89 ft wide.

Who owns Sams Creek RD over Simpson Creek?

It is owned by the County Highway Agency.