US Bridges

Grimes Road over Mckay Creek

Good

Crook County, Oregon · 0.5 Miles W of Mckay RD · Structure no. 17033 020100500

Built
1989
36 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
313
2020 count
Owner
County
County Highway Agency

About this bridge

Grimes Road over Mckay Creek is a prestressed concrete slab carrying Grimes Road over Mckay Creek in Crook County, Oregon. It was built in 1989, so it is 36 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 313 vehicles a day, roughly 15% of them trucks, projected to reach 358 by 2025. The structure is 47 ft (14.3 m) long and 28 ft wide.

CarriesGrimes Road
CrossesMckay Creek
Location0.5 Miles W of Mckay RD
RouteCounty Highway C0201
StateOregon
Coordinates44.35564, -120.85698
Functional classRural Minor Collector

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic313 (2020)
Projected traffic358 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Grimes Road over Mckay Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Grimes Road over Mckay 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 December 2024.

How much traffic does Grimes Road over Mckay Creek carry?

About 313 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Grimes Road over Mckay Creek?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns Grimes Road over Mckay Creek?

It is owned by the County Highway Agency.