US Bridges

Bush Garden Dr. over Muddy Creek

Poor

Linn County, Oregon · 050 MI SE Harrisburg · Structure no. 12492 052600044

Built
1971
54 years old
Condition
Poor
inspected May 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
319
2021 count
Owner
County
County Highway Agency

About this bridge

Bush Garden Dr. over Muddy Creek is a prestressed concrete slab carrying Bush Garden Dr. over Muddy Creek in Linn County, Oregon. It was built in 1971, so it is 54 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 3 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.

It carries about 319 vehicles a day, roughly 1% of them trucks, projected to reach 438 by 2041. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBush Garden Dr.
CrossesMuddy Creek
Location050 MI SE Harrisburg
RouteCounty Highway C0526
StateOregon
Coordinates44.21276, -123.07587
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic319 (2021)
Projected traffic438 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bush Garden Dr. over Muddy Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Bush Garden Dr. 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 May 2024.

How much traffic does Bush Garden Dr. over Muddy Creek carry?

About 319 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Bush Garden Dr. over Muddy Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns Bush Garden Dr. over Muddy Creek?

It is owned by the County Highway Agency.