US Bridges

Mac Hoke Road over Umatilla River

Good

Umatilla County, Oregon · 0.1 MI S of Rieth Road · Structure no. 24178 135 00007

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Truss - Deck
Steel
Length
147 ft
1 main span
Daily traffic
268
2020 count
Owner
County
County Highway Agency

About this bridge

Mac Hoke Road over Umatilla River is a steel truss - deck carrying Mac Hoke Road over Umatilla River in Umatilla County, Oregon. It was built in 2022, so it is 3 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 268 vehicles a day, roughly 20% of them trucks, projected to reach 328 by 2025. The structure is 147 ft (44.9 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMac Hoke Road
CrossesUmatilla River
Location0.1 MI S of Rieth Road
RouteCounty Highway 0
CountyUmatilla County
StateOregon
Coordinates45.68532, -119.09379
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length147 ft (44.9 m)
Longest span147 ft (44.9 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2020)
Projected traffic328 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mac Hoke Road over Umatilla River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mac Hoke Road over Umatilla River 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 May 2023.

How much traffic does Mac Hoke Road over Umatilla River carry?

About 268 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Mac Hoke Road over Umatilla River?

The structure is 147 ft (44.9 m) long with a longest span of 147 ft (44.9 m) and a deck 20 ft wide.

Who owns Mac Hoke Road over Umatilla River?

It is owned by the County Highway Agency.