US Bridges

Mc Farland RD over Muddy Creek

PoorPosted for load

Benton County, Oregon · 0049 MI W of HWY 99-W · Structure no. 14129 000 00050

Built
1963
62 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
74 ft
3 main spans
Daily traffic
107
2020 count
Owner
County
County Highway Agency

About this bridge

Mc Farland RD over Muddy Creek is a wood or timber stringer/multi-beam or girder 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 107 vehicles a day, roughly 2% of them trucks, projected to reach 152 by 2040. The structure is 74 ft (22.6 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMc Farland RD
CrossesMuddy Creek
Location0049 MI W of HWY 99-W
RouteCounty Highway 0
StateOregon
Coordinates44.37721, -123.29817
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length74 ft (22.6 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107 (2020)
Projected traffic152 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 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 107 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Mc Farland RD over Muddy Creek?

The structure is 74 ft (22.6 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns Mc Farland RD over Muddy Creek?

It is owned by the County Highway Agency.