US Bridges

Butte Falls Prospt over Red Blanket Creek

Good

Jackson County, Oregon · 2.0 MI SE Prospect · Structure no. 20071 992 02194

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
416
2020 count
Owner
County
County Highway Agency

About this bridge

Butte Falls Prospt over Red Blanket Creek is a prestressed concrete slab carrying Butte Falls Prospt over Red Blanket Creek in Jackson County, Oregon. It was built in 2005, so it is 20 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 416 vehicles a day, roughly 10% of them trucks, projected to reach 486 by 2025. The structure is 83 ft (25.3 m) long and 36 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesButte Falls Prospt
CrossesRed Blanket Creek
Location2.0 MI SE Prospect
RouteCounty Highway 0A370
StateOregon
Coordinates42.74041, -122.45989
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span83 ft (25.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic416 (2020)
Projected traffic486 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 Prospt over Red Blanket Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Butte Falls Prospt over Red Blanket Creek 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 Prospt over Red Blanket Creek carry?

About 416 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Butte Falls Prospt over Red Blanket Creek?

The structure is 83 ft (25.3 m) long with a longest span of 83 ft (25.3 m) and a deck 36 ft wide.

Who owns Butte Falls Prospt over Red Blanket Creek?

It is owned by the County Highway Agency.