US Bridges

County RD 867.1 over Antelope Creek

Good

Jackson County, Oregon · 17.61 Milepost · Structure no. 20177 867 01761

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
166
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 867.1 over Antelope Creek is a prestressed concrete slab carrying County RD 867.1 over Antelope Creek in Jackson County, Oregon. It was built in 2004, so it is 21 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 166 vehicles a day, projected to reach 193 by 2025. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 867.1
CrossesAntelope Creek
Location17.61 Milepost
RouteCounty Highway C0867
CountyJackson County
StateOregon
Coordinates42.30191, -122.63481
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2020)
Projected traffic193 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 County RD 867.1 over Antelope Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is County RD 867.1 over Antelope 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 County RD 867.1 over Antelope Creek carry?

About 166 vehicles per day (2020 count).

How long is County RD 867.1 over Antelope Creek?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 28 ft wide.

Who owns County RD 867.1 over Antelope Creek?

It is owned by the County Highway Agency.