US Bridges

Seavey Loop RD over Wild Hog Creek

Fair

Lane County, Oregon · 002 MI N I5 · Structure no. 39C155188100042

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
113 ft
4 main spans
Daily traffic
2,573
2020 count
Owner
County
County Highway Agency

About this bridge

Seavey Loop RD over Wild Hog Creek is a prestressed concrete slab carrying Seavey Loop RD over Wild Hog Creek in Lane County, Oregon. It was built in 1975, so it is 50 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 2,573 vehicles a day, roughly 5% of them trucks, projected to reach 2,963 by 2025. The structure is 113 ft (34.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSeavey Loop RD
CrossesWild Hog Creek
Location002 MI N I5
RouteCounty Highway C1881
StateOregon
Coordinates43.99978, -123.00399
Functional classUrban Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,573 (2020)
Projected traffic2,963 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Seavey Loop RD over Wild Hog Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Seavey Loop RD over Wild Hog Creek 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 May 2023.

How much traffic does Seavey Loop RD over Wild Hog Creek carry?

About 2,573 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Seavey Loop RD over Wild Hog Creek?

The structure is 113 ft (34.4 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns Seavey Loop RD over Wild Hog Creek?

It is owned by the County Highway Agency.