US Bridges

Reservoir RD over S Fork Mill CR

GoodPosted for load

Wasco County, Oregon · 0.5 Mi. S on Mill Crk Rd. · Structure no. 19983 000 00100

Built
2003
22 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
11
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Reservoir RD over S Fork Mill CR is a prestressed concrete slab carrying Reservoir RD over S Fork Mill CR in Wasco County, Oregon. It was built in 2003, so it is 22 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. Its operating status is: posted for other load-capacity restriction.

It carries about 11 vehicles a day, roughly 4% of them trucks, projected to reach 11 by 2025. The structure is 55 ft (16.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesReservoir RD
CrossesS Fork Mill CR
Location0.5 Mi. S on Mill Crk Rd.
RouteCounty Highway 0
StateOregon
Coordinates45.54405, -121.31177
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span52 ft (15.9 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2020)
Projected traffic11 by 2025
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Reservoir RD over S Fork Mill CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Reservoir RD over S Fork Mill CR 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 Reservoir RD over S Fork Mill CR carry?

About 11 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Reservoir RD over S Fork Mill CR?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.9 m) and a deck 20 ft wide.

Who owns Reservoir RD over S Fork Mill CR?

It is owned by the City or Municipal Highway Agency.