US Bridges

30th Ave over Co. Rd. 1850 at Lane C.C

Fair

Lane County, Oregon · 0093 W I5 and 30th Ave in · Structure no. 009781185600093

Built
1969
56 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
157 ft
1 main span
Daily traffic
20,571
2020 count
Owner
County
County Highway Agency

About this bridge

30th Ave over Co. Rd. 1850 at Lane C.C is a prestressed concrete stringer/multi-beam or girder carrying 30th Ave over Co. Rd. 1850 at Lane C.C in Lane County, Oregon. It was built in 1969, so it is 56 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 20,571 vehicles a day, roughly 10% of them trucks, projected to reach 33,971 by 2025. The structure is 157 ft (47.9 m) long and 89 ft wide.

Location

Open in Google Maps
Carries30th Ave
CrossesCo. Rd. 1850 at Lane C.C
Location0093 W I5 and 30th Ave in
RouteCounty Highway A0461
CountyLane County
StateOregon
Coordinates44.01458, -123.04045
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span115 ft (35.1 m)
Deck width89 ft (27.1 m)
Roadway width86 ft (26.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,571 (2020)
Projected traffic33,971 by 2025
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 30th Ave over Co. Rd. 1850 at Lane C.C built?

It was built in 1969, making it 56 years old in 2025.

What condition is 30th Ave over Co. Rd. 1850 at Lane C.C 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 30th Ave over Co. Rd. 1850 at Lane C.C carry?

About 20,571 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 30th Ave over Co. Rd. 1850 at Lane C.C?

The structure is 157 ft (47.9 m) long with a longest span of 115 ft (35.1 m) and a deck 89 ft wide.

Who owns 30th Ave over Co. Rd. 1850 at Lane C.C?

It is owned by the County Highway Agency.