US Bridges

Oakville RD over Muddy Creek

PoorPosted for load

Linn County, Oregon · 013 MI East CR 2 · Structure no. 12272A013400129

Built
1975
50 years old
Condition
Poor
inspected October 2024
Type
Slab
Prestressed Concrete
Length
252 ft
7 main spans
Daily traffic
124
2021 count
Owner
County
County Highway Agency

About this bridge

Oakville RD over Muddy Creek is a prestressed concrete slab carrying Oakville RD over Muddy Creek in Linn County, Oregon. It was built in 1975, so it is 50 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: posted for load restriction.

It carries about 124 vehicles a day, roughly 10% of them trucks, projected to reach 258 by 2041. The structure is 252 ft (76.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOakville RD
CrossesMuddy Creek
Location013 MI East CR 2
RouteCounty Highway C0134
StateOregon
Coordinates44.50327, -123.18983
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans7
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span36 ft (11 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124 (2021)
Projected traffic258 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Oakville RD over Muddy Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Oakville RD over Muddy Creek 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 October 2024.

How much traffic does Oakville RD over Muddy Creek carry?

About 124 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Oakville RD over Muddy Creek?

The structure is 252 ft (76.8 m) long with a longest span of 36 ft (11 m) and a deck 32 ft wide.

Who owns Oakville RD over Muddy Creek?

It is owned by the County Highway Agency.