US Bridges

07 S 04 E 29.01: over South Fork Molalla River

Good

Clackamas County, Oregon · 7.2 Miles SE of Molalla O · Structure no. 0000000L1439385

Built
1980
45 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
25
2023 count
Owner
Federal
Bureau of Land Management

About this bridge

07 S 04 E 29.01: over South Fork Molalla River is a prestressed concrete stringer/multi-beam or girder carrying 07 S 04 E 29.01: over South Fork Molalla River in Clackamas County, Oregon. It was built in 1980, so it is 45 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2043. The structure is 100 ft (30.5 m) long and 78 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries07 S 04 E 29.01:
CrossesSouth Fork Molalla River
Location7.2 Miles SE of Molalla O
RouteFederal Lands Road 0
StateOregon
Coordinates44.93139, -122.34917
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span96 ft (29.3 m)
Deck width78 ft (23.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic40 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$4,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 07 S 04 E 29.01: over South Fork Molalla River built?

It was built in 1980, making it 45 years old in 2025.

What condition is 07 S 04 E 29.01: over South Fork Molalla River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does 07 S 04 E 29.01: over South Fork Molalla River carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 07 S 04 E 29.01: over South Fork Molalla River?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.3 m) and a deck 78 ft wide.

Who owns 07 S 04 E 29.01: over South Fork Molalla River?

It is owned by the Bureau of Land Management.