US Bridges

M.J. Chase Road over Eweb Power Canal

Fair

Lane County, Oregon · 030 MI W of Walterville · Structure no. 39C162193500003

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
208 ft
5 main spans
Daily traffic
234
2020 count
Owner
County
County Highway Agency

About this bridge

M.J. Chase Road over Eweb Power Canal is a prestressed concrete slab carrying M.J. Chase Road over Eweb Power Canal in Lane County, Oregon. It was built in 1970, so it is 55 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 234 vehicles a day, roughly 10% of them trucks, projected to reach 274 by 2025. The structure is 208 ft (63.4 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesM.J. Chase Road
CrossesEweb Power Canal
Location030 MI W of Walterville
RouteCounty Highway C1935
CountyLane County
StateOregon
Coordinates44.068, -122.87084
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans5
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span41 ft (12.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2020)
Projected traffic274 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 M.J. Chase Road over Eweb Power Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is M.J. Chase Road over Eweb Power Canal 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 August 2024.

How much traffic does M.J. Chase Road over Eweb Power Canal carry?

About 234 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is M.J. Chase Road over Eweb Power Canal?

The structure is 208 ft (63.4 m) long with a longest span of 41 ft (12.5 m) and a deck 32 ft wide.

Who owns M.J. Chase Road over Eweb Power Canal?

It is owned by the County Highway Agency.