US Bridges

Sweets Creek Road over Sweets Creek

Fair

Lane County, Oregon · 075 MI S Mapleton · Structure no. 39C523503600755

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
2 main spans
Daily traffic
217
2020 count
Owner
County
County Highway Agency

About this bridge

Sweets Creek Road over Sweets Creek is a prestressed concrete stringer/multi-beam or girder carrying Sweets Creek Road over Sweets Creek in Lane County, Oregon. It was built in 1971, so it is 54 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 5 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 217 vehicles a day, roughly 10% of them trucks, projected to reach 252 by 2025. The structure is 122 ft (37.2 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSweets Creek Road
CrossesSweets Creek
Location075 MI S Mapleton
RouteCounty Highway C5036
CountyLane County
StateOregon
Coordinates43.9876, -123.90321
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217 (2020)
Projected traffic252 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sweets Creek Road over Sweets Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Sweets Creek Road over Sweets 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 Sweets Creek Road over Sweets Creek carry?

About 217 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sweets Creek Road over Sweets Creek?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns Sweets Creek Road over Sweets Creek?

It is owned by the County Highway Agency.