US Bridges

Church Drive over Muddy Creek

FairPosted for load

Linn County, Oregon · 003MI West Oakville · Structure no. 12251 001200532

Built
1954
71 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
177 ft
7 main spans
Daily traffic
175
2021 count
Owner
County
County Highway Agency

About this bridge

Church Drive over Muddy Creek is a concrete tee beam carrying Church Drive over Muddy Creek in Linn County, Oregon. It was built in 1954, so it is 71 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 175 vehicles a day, roughly 10% of them trucks, projected to reach 360 by 2041. The structure is 177 ft (53.9 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesChurch Drive
CrossesMuddy Creek
Location003MI West Oakville
RouteCounty Highway A0478
StateOregon
Coordinates44.51292, -123.19406
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.
Superstructure8 Very GoodNo problems noted.
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 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 rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic360 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Church Drive over Muddy Creek built?

It was built in 1954, making it 71 years old in 2025.

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

About 175 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Church Drive over Muddy Creek?

The structure is 177 ft (53.9 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns Church Drive over Muddy Creek?

It is owned by the County Highway Agency.