US Bridges

Dale Drive over Muddy Creek

Poor

Linn County, Oregon · 0108 Miles East of CR 230 · Structure no. 12447 052000108

Built
1968
57 years old
Condition
Poor
inspected May 2024
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
52
2021 count
Owner
County
County Highway Agency

About this bridge

Dale Drive over Muddy Creek is a prestressed concrete slab carrying Dale Drive over Muddy Creek in Linn County, Oregon. It was built in 1968, so it is 57 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 52 vehicles a day, projected to reach 72 by 2041. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesDale Drive
CrossesMuddy Creek
Location0108 Miles East of CR 230
RouteCounty Highway C0520
StateOregon
Coordinates44.24155, -123.09792
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 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2021)
Projected traffic72 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Dale Drive over Muddy Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Dale Drive 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 Dale Drive over Muddy Creek carry?

About 52 vehicles per day (2021 count).

How long is Dale Drive over Muddy Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Dale Drive over Muddy Creek?

It is owned by the County Highway Agency.