US Bridges

Spring Blvd over 30th Avenue

Good

Lane County, Oregon · 0208 W I5 30 Ave Inter · Structure no. 39C151185000208

Built
1983
42 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete Continuous
Length
191 ft
3 main spans
Daily traffic
611
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Spring Blvd over 30th Avenue is a prestressed concrete continuous slab carrying Spring Blvd over 30th Avenue in Lane County, Oregon. It was built in 1983, so it is 42 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 611 vehicles a day, roughly 10% of them trucks, projected to reach 698 by 2025. The structure is 191 ft (58.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpring Blvd
Crosses30th Avenue
Location0208 W I5 30 Ave Inter
RouteCounty Highway C1850
StateOregon
Coordinates44.02252, -123.05996
Functional classUrban 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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic611 (2020)
Projected traffic698 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spring Blvd over 30th Avenue built?

It was built in 1983, making it 42 years old in 2025.

What condition is Spring Blvd over 30th Avenue 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 May 2023.

How much traffic does Spring Blvd over 30th Avenue carry?

About 611 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Spring Blvd over 30th Avenue?

The structure is 191 ft (58.2 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns Spring Blvd over 30th Avenue?

It is owned by the City or Municipal Highway Agency.