US Bridges

Butte Falls RD over So. Fk Big Butte Cr.

Good

Jackson County, Oregon · 1.0 MI East Butte Falls · Structure no. 16173 992 00004

Built
1975
50 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
1 main span
Daily traffic
514
2020 count
Owner
County
County Highway Agency

About this bridge

Butte Falls RD over So. Fk Big Butte Cr. is a prestressed concrete stringer/multi-beam or girder carrying Butte Falls RD over So. Fk Big Butte Cr. in Jackson County, Oregon. It was built in 1975, so it is 50 years old, older 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 514 vehicles a day, roughly 10% of them trucks, projected to reach 604 by 2025. The structure is 142 ft (43.3 m) long and 35 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesButte Falls RD
CrossesSo. Fk Big Butte Cr.
Location1.0 MI East Butte Falls
RouteCounty Highway 0A370
StateOregon
Coordinates42.53946, -122.55318
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span140 ft (42.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic514 (2020)
Projected traffic604 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Butte Falls RD over So. Fk Big Butte Cr. built?

It was built in 1975, making it 50 years old in 2025.

What condition is Butte Falls RD over So. Fk Big 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 Butte Falls RD over So. Fk Big Butte Cr. carry?

About 514 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Butte Falls RD over So. Fk Big Butte Cr.?

The structure is 142 ft (43.3 m) long with a longest span of 140 ft (42.7 m) and a deck 35 ft wide.

Who owns Butte Falls RD over So. Fk Big Butte Cr.?

It is owned by the County Highway Agency.