US Bridges

Kansas Ave over State Route 99

Fair

Stanislaus County, California · 10-STA-099-R16.82-MOD · Structure no. 38 0086

Built
1963
62 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
296 ft
4 main spans
Daily traffic
24,000
2011 count
Owner
State
State Highway Agency

About this bridge

Kansas Ave over State Route 99 is a concrete continuous box beam or girders - multiple carrying Kansas Ave over State Route 99 in Stanislaus County, California. It was built in 1963, so it is 62 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 5 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 24,000 vehicles a day, roughly 3% of them trucks, projected to reach 38,735 by 2041. The structure is 296 ft (90.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKansas Ave
CrossesState Route 99
Location10-STA-099-R16.82-MOD
RouteCity Street 0
CountyStanislaus County
StateCalifornia
Coordinates37.6459, -121.0169
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length296 ft (90.2 m)
Longest span112 ft (34.2 m)
Deck width47 ft (14.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2011)
Projected traffic38,735 by 2041
Trucks3%
Lanes on structure3
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

OwnerState Highway Agency
Maintained byState 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 Kansas Ave over State Route 99 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Kansas Ave over State Route 99 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 March 2023.

How much traffic does Kansas Ave over State Route 99 carry?

About 24,000 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Kansas Ave over State Route 99?

The structure is 296 ft (90.2 m) long with a longest span of 112 ft (34.2 m) and a deck 47 ft wide.

Who owns Kansas Ave over State Route 99?

It is owned by the State Highway Agency.