US Bridges

Pine Grove Road over Red Gulch

Good

Jackson County, Oregon · 0.13 MI S of Minthorne RD · Structure no. 19674 888 00000

Built
1992
33 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
1,545
2020 count
Owner
County
County Highway Agency

About this bridge

Pine Grove Road over Red Gulch is a prestressed concrete slab carrying Pine Grove Road over Red Gulch in Jackson County, Oregon. It was built in 1992, so it is 33 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 1,545 vehicles a day, roughly 5% of them trucks, projected to reach 1,798 by 2025. The structure is 23 ft (7 m) long and 26 ft wide.

CarriesPine Grove Road
CrossesRed Gulch
Location0.13 MI S of Minthorne RD
RouteCounty Highway 0
StateOregon
Coordinates42.51842, -123.17206
Functional classRural Local

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 inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.3 m)
Deck width26 ft (7.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,545 (2020)
Projected traffic1,798 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pine Grove Road over Red Gulch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Pine Grove Road over Red Gulch 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 July 2023.

How much traffic does Pine Grove Road over Red Gulch carry?

About 1,545 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Pine Grove Road over Red Gulch?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.3 m) and a deck 26 ft wide.

Who owns Pine Grove Road over Red Gulch?

It is owned by the County Highway Agency.