US Bridges

County RD 932 over Trail Creek

Good

Jackson County, Oregon · 0.35 Milepost · Structure no. 18009 932 00035

Built
1999
26 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
752
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 932 over Trail Creek is a prestressed concrete stringer/multi-beam or girder carrying County RD 932 over Trail Creek in Jackson County, Oregon. It was built in 1999, so it is 26 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 752 vehicles a day, roughly 10% of them trucks, projected to reach 877 by 2025. The structure is 101 ft (30.8 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 932
CrossesTrail Creek
Location0.35 Milepost
RouteCounty Highway C0932
StateOregon
Coordinates42.64869, -122.81021
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.5 US tons
Inventory rating13.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span100 ft (30.5 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic752 (2020)
Projected traffic877 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 932 over Trail Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is County RD 932 over Trail 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 932 over Trail Creek carry?

About 752 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 932 over Trail Creek?

The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.

Who owns County RD 932 over Trail Creek?

It is owned by the County Highway Agency.