US Bridges

HWY 200 over S Fork Siuslaw River

Good

Lane County, Oregon · 20.9 MI S JCT HWY 62 · Structure no. 21434 200 04043

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
87 ft
2 main spans
Daily traffic
1,368
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 200 over S Fork Siuslaw River is a prestressed concrete slab carrying HWY 200 over S Fork Siuslaw River in Lane County, Oregon. It was built in 2012, so it is 13 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 1,368 vehicles a day, roughly 18% of them trucks, projected to reach 1,700 by 2042. The structure is 87 ft (26.4 m) long and 39 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesHWY 200
CrossesS Fork Siuslaw River
Location20.9 MI S JCT HWY 62
RouteState Highway 200
StateOregon
Coordinates43.8012, -123.2271
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length87 ft (26.4 m)
Longest span44 ft (13.3 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,368 (2022)
Projected traffic1,700 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 HWY 200 over S Fork Siuslaw River built?

It was built in 2012, making it 13 years old in 2025.

What condition is HWY 200 over S Fork Siuslaw 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 October 2023.

How much traffic does HWY 200 over S Fork Siuslaw River carry?

About 1,368 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is HWY 200 over S Fork Siuslaw River?

The structure is 87 ft (26.4 m) long with a longest span of 44 ft (13.3 m) and a deck 39 ft wide.

Who owns HWY 200 over S Fork Siuslaw River?

It is owned by the State Highway Agency.