US Bridges

Rhea Creek Road over Willow Creek

Good

Morrow County, Oregon · 0.10 MI S of HWY 74 · Structure no. 18827 069300000

Built
2000
25 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
163
2020 count
Owner
County
County Highway Agency

About this bridge

Rhea Creek Road over Willow Creek is a prestressed concrete slab carrying Rhea Creek Road over Willow Creek in Morrow County, Oregon. It was built in 2000, so it is 25 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 163 vehicles a day, roughly 1% of them trucks, projected to reach 193 by 2025. The structure is 61 ft (18.7 m) long and 28 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesRhea Creek Road
CrossesWillow Creek
Location0.10 MI S of HWY 74
RouteCounty Highway 0
CountyMorrow County
StateOregon
Coordinates45.49357, -119.7696
Functional classRural Major 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 inspectionAugust 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 rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.7 m)
Longest span59 ft (18 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2020)
Projected traffic193 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Rhea Creek Road over Willow Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rhea Creek Road over Willow 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 August 2024.

How much traffic does Rhea Creek Road over Willow Creek carry?

About 163 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Rhea Creek Road over Willow Creek?

The structure is 61 ft (18.7 m) long with a longest span of 59 ft (18 m) and a deck 28 ft wide.

Who owns Rhea Creek Road over Willow Creek?

It is owned by the County Highway Agency.