US Bridges

County RD 890 over Evans Cr/Minthorne Rd.

Fair

Jackson County, Oregon · 0.29 Milepost · Structure no. 09442 890 00029

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
187 ft
4 main spans
Daily traffic
1,720
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 890 over Evans Cr/Minthorne Rd. is a concrete continuous slab carrying County RD 890 over Evans Cr/Minthorne Rd. in Jackson County, Oregon. It was built in 1965, so it is 60 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,720 vehicles a day, roughly 10% of them trucks, projected to reach 2,001 by 2025. The structure is 187 ft (57 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty RD 890
CrossesEvans Cr/Minthorne Rd.
Location0.29 Milepost
RouteCounty Highway C0890
StateOregon
Coordinates42.52035, -123.17127
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length187 ft (57 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,720 (2020)
Projected traffic2,001 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 890 over Evans Cr/Minthorne Rd. built?

It was built in 1965, making it 60 years old in 2025.

What condition is County RD 890 over Evans Cr/Minthorne Rd. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does County RD 890 over Evans Cr/Minthorne Rd. carry?

About 1,720 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 890 over Evans Cr/Minthorne Rd.?

The structure is 187 ft (57 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns County RD 890 over Evans Cr/Minthorne Rd.?

It is owned by the County Highway Agency.