US Bridges

Sf Little Butte RD over S Fork Little Butte Cr.

Good

Jackson County, Oregon · 3.0 MI SE of Lakecreek or · Structure no. 16687 100000398

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
132 ft
1 main span
Daily traffic
251
2020 count
Owner
County
County Highway Agency

About this bridge

Sf Little Butte RD over S Fork Little Butte Cr. is a prestressed concrete stringer/multi-beam or girder carrying Sf Little Butte RD over S Fork Little Butte Cr. in Jackson County, Oregon. It was built in 1986, so it is 39 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 251 vehicles a day, roughly 10% of them trucks, projected to reach 291 by 2025. The structure is 132 ft (40.2 m) long and 35 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSf Little Butte RD
CrossesS Fork Little Butte Cr.
Location3.0 MI SE of Lakecreek or
RouteCounty Highway C1000
StateOregon
Coordinates42.38653, -122.58265
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length132 ft (40.2 m)
Longest span130 ft (39.6 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2020)
Projected traffic291 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 Sf Little Butte RD over S Fork Little Butte Cr. built?

It was built in 1986, making it 39 years old in 2025.

What condition is Sf Little Butte RD over S Fork Little Butte Cr. 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 June 2023.

How much traffic does Sf Little Butte RD over S Fork Little Butte Cr. carry?

About 251 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sf Little Butte RD over S Fork Little Butte Cr.?

The structure is 132 ft (40.2 m) long with a longest span of 130 ft (39.6 m) and a deck 35 ft wide.

Who owns Sf Little Butte RD over S Fork Little Butte Cr.?

It is owned by the County Highway Agency.