US Bridges

Old Bridge DR over Overflow

Fair

Linn County, Oregon · 010 MI W of Crabtree · Structure no. 2000B 068200023

Built
1934
91 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
43 ft
2 main spans
Daily traffic
46
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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 46 vehicles a day, projected to reach 67 by 2041. The structure is 43 ft (13.1 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOld Bridge DR
CrossesOverflow
Location010 MI W of Crabtree
RouteCounty Highway C0682
StateOregon
Coordinates44.63277, -122.92829
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2021)
Projected traffic67 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-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 fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Old Bridge DR over Overflow carry?

About 46 vehicles per day (2021 count).

How long is Old Bridge DR over Overflow?

The structure is 43 ft (13.1 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns Old Bridge DR over Overflow?

It is owned by the County Highway Agency.