US Bridges

Chambers Street over West First Ave

Good

Lane County, Oregon · Chambers @ 1st. Street · Structure no. 39C182147500000

Built
1988
37 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
36,899
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chambers Street over West First Ave is a prestressed concrete slab carrying Chambers Street over West First Ave in Lane County, Oregon. It was built in 1988, so it is 37 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 36,899 vehicles a day, roughly 15% of them trucks, projected to reach 42,149 by 2025. The structure is 60 ft (18.3 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChambers Street
CrossesWest First Ave
LocationChambers @ 1st. Street
RouteCity Street C1475
StateOregon
Coordinates44.05881, -123.1174
Functional classUrban Other Principal Arterial

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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width84 ft (25.6 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,899 (2020)
Projected traffic42,149 by 2025
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Chambers Street over West First Ave built?

It was built in 1988, making it 37 years old in 2025.

What condition is Chambers Street over West First Ave 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 Chambers Street over West First Ave carry?

About 36,899 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Chambers Street over West First Ave?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 84 ft wide.

Who owns Chambers Street over West First Ave?

It is owned by the City or Municipal Highway Agency.