US Bridges

Dale Drive over Dry Muddy Creek

FairPosted for load

Linn County, Oregon · 0017 Miles East of CR 230 · Structure no. 12399 052000017

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
52
2021 count
Owner
County
County Highway Agency

About this bridge

Dale Drive over Dry Muddy Creek is a prestressed concrete slab carrying Dale Drive over Dry 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 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. Its operating status is: posted for other load-capacity restriction.

It carries about 52 vehicles a day, projected to reach 77 by 2041. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesDale Drive
CrossesDry Muddy Creek
Location0017 Miles East of CR 230
RouteCounty Highway C0520
StateOregon
Coordinates44.23786, -123.111
Functional classRural Local

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2021)
Projected traffic77 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 Dry Muddy Creek built?

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

What condition is Dale Drive over Dry 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 May 2023.

How much traffic does Dale Drive over Dry Muddy Creek carry?

About 52 vehicles per day (2021 count).

How long is Dale Drive over Dry Muddy Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns Dale Drive over Dry Muddy Creek?

It is owned by the County Highway Agency.