US Bridges

Nixon Drive over Little Muddy Cr. Oflow

Poor

Linn County, Oregon · 004 MI West CR 218 · Structure no. 12385 022300037

Built
1964
61 years old
Condition
Poor
inspected May 2024
Type
Slab
Prestressed Concrete
Length
53 ft
2 main spans
Daily traffic
175
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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 175 vehicles a day, roughly 10% of them trucks, projected to reach 227 by 2041. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNixon Drive
CrossesLittle Muddy Cr. Oflow
Location004 MI West CR 218
RouteCounty Highway C0223
StateOregon
Coordinates44.35261, -123.13635
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

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

About 175 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Nixon Drive over Little Muddy Cr. Oflow?

The structure is 53 ft (16.2 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns Nixon Drive over Little Muddy Cr. Oflow?

It is owned by the County Highway Agency.