US Bridges

Or 99 (hwy 060) over Millers Gulch

Good

Jackson County, Oregon · 06.7 E Jack.-Jose. CO LN · Structure no. 24006 060 01221

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
2,015
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99 (hwy 060) over Millers Gulch is a prestressed concrete slab carrying Or 99 (hwy 060) over Millers Gulch in Jackson County, Oregon. It was built in 2024, so it is 1 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 2,015 vehicles a day, roughly 9% of them trucks, projected to reach 2,100 by 2042. The structure is 68 ft (20.7 m) long and 45 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesOr 99 (hwy 060)
CrossesMillers Gulch
Location06.7 E Jack.-Jose. CO LN
RouteState Highway 99
StateOregon
Coordinates42.41061, -123.12615
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,015 (2022)
Projected traffic2,100 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 99 (hwy 060) over Millers Gulch built?

It was built in 2024, making it 1 years old in 2025.

What condition is Or 99 (hwy 060) over Millers 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 November 2024.

How much traffic does Or 99 (hwy 060) over Millers Gulch carry?

About 2,015 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Or 99 (hwy 060) over Millers Gulch?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 45 ft wide.

Who owns Or 99 (hwy 060) over Millers Gulch?

It is owned by the State Highway Agency.