US Bridges

William Finley RD over Muddy Creek

Good

Benton County, Oregon · 0.2 MI Ene of Hdqtrs · Structure no. 000013589-00025

Built
1994
31 years old
Condition
Good
inspected August 2022
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
30
2022 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

William Finley RD over Muddy Creek is a prestressed concrete slab carrying William Finley RD over Muddy Creek in Benton County, Oregon. It was built in 1994, so it is 31 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 35 by 2042. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesWilliam Finley RD
CrossesMuddy Creek
Location0.2 MI Ene of Hdqtrs
RouteFederal Lands Road 0
StateOregon
Coordinates44.4205, -123.3195
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic30 (2022)
Projected traffic35 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 William Finley RD over Muddy Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is William Finley RD over Muddy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2022.

How much traffic does William Finley RD over Muddy Creek carry?

About 30 vehicles per day (2022 count).

How long is William Finley RD over Muddy Creek?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 24 ft wide.

Who owns William Finley RD over Muddy Creek?

It is owned by the Bureau of Fish and Wildlife.