US Bridges

Kingwood Ave over De Ford CR

Poor

Linn County, Oregon · 003 MI E CR 6 · Structure no. 14054 081300028

Built
1958
67 years old
Condition
Poor
inspected July 2024
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
592
2021 count
Owner
County
County Highway Agency

About this bridge

Kingwood Ave over De Ford CR is a prestressed concrete slab carrying Kingwood Ave over De Ford CR in Linn County, Oregon. It was built in 1958, so it is 67 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: open, would be posted or closed except for temporary shoring.

It carries about 592 vehicles a day, roughly 10% of them trucks, projected to reach 721 by 2041. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKingwood Ave
CrossesDe Ford CR
Location003 MI E CR 6
RouteCounty Highway C0813
CountyLinn County
StateOregon
Coordinates44.74751, -122.49163
Functional classRural Minor Collector

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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic592 (2021)
Projected traffic721 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Kingwood Ave over De Ford CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Kingwood Ave over De Ford CR 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 Kingwood Ave over De Ford CR carry?

About 592 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Kingwood Ave over De Ford CR?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.

Who owns Kingwood Ave over De Ford CR?

It is owned by the County Highway Agency.