US Bridges

Sutton Lake Road over Rath Creek

Fair

Lane County, Oregon · 005 MI E HWY101-SUTTON Lk · Structure no. 39C563523000198

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
117
2020 count
Owner
County
County Highway Agency

About this bridge

Sutton Lake Road over Rath Creek is a prestressed concrete slab carrying Sutton Lake Road over Rath Creek in Lane County, Oregon. It was built in 1982, so it is 43 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 117 vehicles a day, roughly 10% of them trucks, projected to reach 137 by 2025. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSutton Lake Road
CrossesRath Creek
Location005 MI E HWY101-SUTTON Lk
RouteCounty Highway C5230
StateOregon
Coordinates44.06903, -124.09082
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2020)
Projected traffic137 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sutton Lake Road over Rath Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sutton Lake Road over Rath 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 2023.

How much traffic does Sutton Lake Road over Rath Creek carry?

About 117 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sutton Lake Road over Rath Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns Sutton Lake Road over Rath Creek?

It is owned by the County Highway Agency.