US Bridges

Interstate 505 SB over Putah Crk RD Putah Creek

Fair

Yolo County, California · 03-YOL-505-0.01 · Structure no. 22 0072L

Built
1959
66 years old, rebuilt 1980
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
419 ft
5 main spans
Daily traffic
12,000
2010 count
Owner
State
State Highway Agency

About this bridge

Interstate 505 SB over Putah Crk RD Putah Creek is a concrete continuous box beam or girders - multiple carrying Interstate 505 SB over Putah Crk RD Putah Creek in Yolo County, California. It was built in 1959 and reconstructed in 1980, so it is 66 years old, older than the California average of 54.8 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 12,000 vehicles a day, roughly 27% of them trucks, projected to reach 16,777 by 2041. The structure is 419 ft (127.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 505 SB
CrossesPutah Crk RD Putah Creek
Location03-YOL-505-0.01
RouteInterstate 505
Coordinates38.52493, -121.95306
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating30 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length419 ft (127.8 m)
Longest span90 ft (27.4 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2010)
Projected traffic16,777 by 2041
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 505 SB over Putah Crk RD Putah Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1980.

What condition is Interstate 505 SB over Putah Crk RD Putah 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 May 2023.

How much traffic does Interstate 505 SB over Putah Crk RD Putah Creek carry?

About 12,000 vehicles per day (2010 count), of which roughly 27% are trucks.

How long is Interstate 505 SB over Putah Crk RD Putah Creek?

The structure is 419 ft (127.8 m) long with a longest span of 90 ft (27.4 m) and a deck 42 ft wide.

Who owns Interstate 505 SB over Putah Crk RD Putah Creek?

It is owned by the State Highway Agency.