US Bridges

Greenhill Road over A2 Channel

Good

Lane County, Oregon · 020 MI S Mahlon Sweet A-P · Structure no. 039C52427000331

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
5,694
2020 count
Owner
County
County Highway Agency

About this bridge

Greenhill Road over A2 Channel is a prestressed concrete slab carrying Greenhill Road over A2 Channel in Lane County, Oregon. It was built in 1993, so it is 32 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 5,694 vehicles a day, roughly 10% of them trucks, projected to reach 6,444 by 2025. The structure is 71 ft (21.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGreenhill Road
CrossesA2 Channel
Location020 MI S Mahlon Sweet A-P
RouteCounty Highway A0451
CountyLane County
StateOregon
Coordinates44.09881, -123.20833
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,694 (2020)
Projected traffic6,444 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Greenhill Road over A2 Channel built?

It was built in 1993, making it 32 years old in 2025.

What condition is Greenhill Road over A2 Channel 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 July 2024.

How much traffic does Greenhill Road over A2 Channel carry?

About 5,694 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Greenhill Road over A2 Channel?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns Greenhill Road over A2 Channel?

It is owned by the County Highway Agency.