US Bridges

Or 66 (hwy 021) over Corp

Good

Jackson County, Oregon · 006 MI W HWY I · Structure no. 00406A021 00076

Built
1974
51 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
316 ft
3 main spans
Daily traffic
11,444
2022 count
Owner
State
State Highway Agency

About this bridge

Or 66 (hwy 021) over Corp is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 66 (hwy 021) over Corp in Jackson County, Oregon. It was built in 1974, so it is 51 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 11,444 vehicles a day, roughly 6% of them trucks, projected to reach 12,000 by 2042. The structure is 316 ft (96.2 m) long and 86 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOr 66 (hwy 021)
CrossesCorp
Location006 MI W HWY I
RouteState Highway 66
StateOregon
Coordinates42.18539, -122.67707
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length316 ft (96.2 m)
Longest span105 ft (32 m)
Deck width86 ft (26.1 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,444 (2022)
Projected traffic12,000 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 66 (hwy 021) over Corp built?

It was built in 1974, making it 51 years old in 2025.

What condition is Or 66 (hwy 021) over Corp 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 Or 66 (hwy 021) over Corp carry?

About 11,444 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Or 66 (hwy 021) over Corp?

The structure is 316 ft (96.2 m) long with a longest span of 105 ft (32 m) and a deck 86 ft wide.

Who owns Or 66 (hwy 021) over Corp?

It is owned by the State Highway Agency.