US Bridges

Chezem Road over Creek

Fair

Lane County, Oregon · 044 MI SW Eugene · Structure no. 39C137127800091

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
584
2020 count
Owner
County
County Highway Agency

About this bridge

Chezem Road over Creek is a prestressed concrete slab carrying Chezem Road over Creek in Lane County, Oregon. It was built in 1977, so it is 48 years old, younger 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 584 vehicles a day, roughly 10% of them trucks, projected to reach 667 by 2025. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesChezem Road
CrossesCreek
Location044 MI SW Eugene
RouteCounty Highway C1278
StateOregon
Coordinates43.97719, -123.16099
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic584 (2020)
Projected traffic667 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 Chezem Road over Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Chezem Road over Creek 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 July 2024.

How much traffic does Chezem Road over Creek carry?

About 584 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Chezem Road over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.

Who owns Chezem Road over Creek?

It is owned by the County Highway Agency.