US Bridges

Old Bridge DR over Overflow

Poor

Linn County, Oregon · 0013MI NE of HWY 226 · Structure no. 2000A 068200013

Built
1934
91 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
147 ft
7 main spans
Daily traffic
76
2021 count
Owner
County
County Highway Agency

About this bridge

Old Bridge DR over Overflow is a wood or timber stringer/multi-beam or girder carrying Old Bridge DR over Overflow in Linn County, Oregon. It was built in 1934, so it is 91 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 3 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 76 vehicles a day, roughly 24% of them trucks, projected to reach 84 by 2041. The structure is 147 ft (44.8 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOld Bridge DR
CrossesOverflow
Location0013MI NE of HWY 226
RouteCounty Highway C0682
StateOregon
Coordinates44.6318, -122.92964
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.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2021)
Projected traffic84 by 2041
Trucks24%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed123.7 mi (199 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 Old Bridge DR over Overflow built?

It was built in 1934, making it 91 years old in 2025.

What condition is Old Bridge DR over Overflow 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 Old Bridge DR over Overflow carry?

About 76 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is Old Bridge DR over Overflow?

The structure is 147 ft (44.8 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Old Bridge DR over Overflow?

It is owned by the County Highway Agency.