US Bridges

Sutton Lake Road over Sutton Lake

Good

Lane County, Oregon · 010 MI E HWY101 at Sutton · Structure no. 39C562523000134

Built
1981
44 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
213 ft
6 main spans
Daily traffic
217
2020 count
Owner
County
County Highway Agency

About this bridge

Sutton Lake Road over Sutton Lake is a prestressed concrete slab carrying Sutton Lake Road over Sutton Lake in Lane County, Oregon. It was built in 1981, so it is 44 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 217 vehicles a day, roughly 5% of them trucks, projected to reach 252 by 2025. The structure is 213 ft (64.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSutton Lake Road
CrossesSutton Lake
Location010 MI E HWY101 at Sutton
RouteCounty Highway C5230
StateOregon
Coordinates44.06474, -124.0839
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans6
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217 (2020)
Projected traffic252 by 2025
Trucks5%
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 Sutton Lake built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sutton Lake Road over Sutton Lake in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

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

About 217 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Sutton Lake Road over Sutton Lake?

The structure is 213 ft (64.9 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns Sutton Lake Road over Sutton Lake?

It is owned by the County Highway Agency.