US Bridges

Mc Farland RD over Muddy Creek

PoorPosted for load

Benton County, Oregon · 0043 MI N of Alpine RD · Structure no. 14135 000 00530

Built
1963
62 years old
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
134 ft
1 main span
Daily traffic
182
2021 count
Owner
County
County Highway Agency

About this bridge

Mc Farland RD over Muddy Creek is a steel truss - thru carrying Mc Farland RD over Muddy Creek in Benton County, Oregon. It was built in 1963, so it is 62 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: posted for load restriction.

It carries about 182 vehicles a day, roughly 10% of them trucks, projected to reach 266 by 2041. The structure is 134 ft (40.8 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMc Farland RD
CrossesMuddy Creek
Location0043 MI N of Alpine RD
RouteCounty Highway 0
CountyBenton County
StateOregon
Coordinates44.33316, -123.33124
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.
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 inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.5 US tons
Inventory rating14.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length134 ft (40.8 m)
Longest span99 ft (30.2 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182 (2021)
Projected traffic266 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$687,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mc Farland RD over Muddy Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Mc Farland RD 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 July 2024.

How much traffic does Mc Farland RD over Muddy Creek carry?

About 182 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Mc Farland RD over Muddy Creek?

The structure is 134 ft (40.8 m) long with a longest span of 99 ft (30.2 m) and a deck 20 ft wide.

Who owns Mc Farland RD over Muddy Creek?

It is owned by the County Highway Agency.