US Bridges

Mistletoe Road over Trib of N Fork Ash Creek

Fair

Polk County, Oregon · 008 S of Dallas · Structure no. 53C010085500081

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
579
2020 count
Owner
County
County Highway Agency

About this bridge

Mistletoe Road over Trib of N Fork Ash Creek is a prestressed concrete slab carrying Mistletoe Road over Trib of N Fork Ash Creek in Polk County, Oregon. It was built in 1978, so it is 47 years old, younger 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 6 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 579 vehicles a day, roughly 10% of them trucks, projected to reach 765 by 2040. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMistletoe Road
CrossesTrib of N Fork Ash Creek
Location008 S of Dallas
RouteCounty Highway 0
StateOregon
Coordinates44.90721, -123.30928
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic579 (2020)
Projected traffic765 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Mistletoe Road over Trib of N Fork Ash Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Mistletoe Road over Trib of N Fork Ash Creek 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 August 2024.

How much traffic does Mistletoe Road over Trib of N Fork Ash Creek carry?

About 579 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Mistletoe Road over Trib of N Fork Ash Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns Mistletoe Road over Trib of N Fork Ash Creek?

It is owned by the County Highway Agency.