US Bridges

CR E11 (road 99E) over Colusa Basin Drain Canal

Good

Yolo County, California · .2 MI N of CR 13 · Structure no. 22C0041

Built
1966
59 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete Continuous
Length
268 ft
10 main spans
Daily traffic
265
2015 count
Owner
County
County Highway Agency

About this bridge

CR E11 (road 99E) over Colusa Basin Drain Canal is a concrete continuous slab carrying CR E11 (road 99E) over Colusa Basin Drain Canal in Yolo County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 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 265 vehicles a day, roughly 10% of them trucks, projected to reach 408 by 2041. The structure is 268 ft (81.7 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCR E11 (road 99E)
CrossesColusa Basin Drain Canal
Location.2 MI N of CR 13
RouteCounty Highway 0
Coordinates38.81176, -121.77421
Functional classRural Major 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2015)
Projected traffic408 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR E11 (road 99E) over Colusa Basin Drain Canal built?

It was built in 1966, making it 59 years old in 2025.

What condition is CR E11 (road 99E) over Colusa Basin Drain Canal 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 January 2023.

How much traffic does CR E11 (road 99E) over Colusa Basin Drain Canal carry?

About 265 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is CR E11 (road 99E) over Colusa Basin Drain Canal?

The structure is 268 ft (81.7 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns CR E11 (road 99E) over Colusa Basin Drain Canal?

It is owned by the County Highway Agency.