US Bridges

D 109 over Elk Bayou

Fair

Tulare County, California · 0.5 MI S of Ave 200 · Structure no. 46C0049

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
138 ft
6 main spans
Daily traffic
225
1978 count
Owner
County
County Highway Agency

About this bridge

D 109 over Elk Bayou is a concrete continuous slab carrying D 109 over Elk Bayou in Tulare County, California. It was built in 1962, so it is 63 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 225 vehicles a day, roughly 5% of them trucks, projected to reach 546 by 2041. The structure is 138 ft (42.1 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesD 109
CrossesElk Bayou
Location0.5 MI S of Ave 200
RouteCounty Highway 0
Coordinates36.14593, -119.32841
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (1978)
Projected traffic546 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 D 109 over Elk Bayou built?

It was built in 1962, making it 63 years old in 2025.

What condition is D 109 over Elk Bayou 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 November 2023.

How much traffic does D 109 over Elk Bayou carry?

About 225 vehicles per day (1978 count), of which roughly 5% are trucks.

How long is D 109 over Elk Bayou?

The structure is 138 ft (42.1 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns D 109 over Elk Bayou?

It is owned by the County Highway Agency.