US Bridges

Peoria RD over Muddy Creek

Fair

Linn County, Oregon · 032 MI S State HWY 34 · Structure no. 12261 000200323

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
3,090
2021 count
Owner
County
County Highway Agency

About this bridge

Peoria RD over Muddy Creek is a prestressed concrete slab carrying Peoria RD over Muddy Creek in Linn County, Oregon. It was built in 1969, so it is 56 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 3,090 vehicles a day, roughly 12% of them trucks, projected to reach 4,326 by 2041. The structure is 160 ft (48.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPeoria RD
CrossesMuddy Creek
Location032 MI S State HWY 34
RouteCounty Highway A0475
StateOregon
Coordinates44.52695, -123.20363
Functional classRural Major 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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,090 (2021)
Projected traffic4,326 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Peoria RD over Muddy Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Peoria RD over Muddy 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 October 2024.

How much traffic does Peoria RD over Muddy Creek carry?

About 3,090 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Peoria RD over Muddy Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns Peoria RD over Muddy Creek?

It is owned by the County Highway Agency.