US Bridges

Nixon Drive over Little Muddy CR Oflow

Fair

Linn County, Oregon · 002 MI West CR 218 · Structure no. 12386 022300021

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
49 ft
2 main spans
Daily traffic
180
2021 count
Owner
County
County Highway Agency

About this bridge

Nixon Drive over Little Muddy CR Oflow is a prestressed concrete slab carrying Nixon Drive over Little Muddy CR Oflow in Linn County, Oregon. It was built in 1964, so it is 61 years old, older 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 227 by 2041. The structure is 49 ft (14.9 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNixon Drive
CrossesLittle Muddy CR Oflow
Location002 MI West CR 218
RouteCounty Highway C0223
CountyLinn County
StateOregon
Coordinates44.35259, -123.13298
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2021)
Projected traffic227 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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 Nixon Drive over Little Muddy CR Oflow built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nixon Drive over Little Muddy CR Oflow 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 May 2023.

How much traffic does Nixon Drive over Little Muddy CR Oflow carry?

About 180 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Nixon Drive over Little Muddy CR Oflow?

The structure is 49 ft (14.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Nixon Drive over Little Muddy CR Oflow?

It is owned by the County Highway Agency.