US Bridges

Hickman Road over T.I.D. Main Canal

Poor

Stanislaus County, California · 1.2 MI N Whitmore Ave · Structure no. 38C0091

Built
1924
101 years old, rebuilt 1959
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
4,874
2015 count
Owner
County
County Highway Agency

About this bridge

Hickman Road over T.I.D. Main Canal is a concrete continuous tee beam carrying Hickman Road over T.I.D. Main Canal in Stanislaus County, California. It was built in 1924 and reconstructed in 1959, so it is 101 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,874 vehicles a day, roughly 29% of them trucks, projected to reach 5,489 by 2043. The structure is 80 ft (24.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHickman Road
CrossesT.I.D. Main Canal
Location1.2 MI N Whitmore Ave
RouteCounty Highway 0
Coordinates37.61281, -120.75539
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length80 ft (24.4 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,874 (2015)
Projected traffic5,489 by 2043
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$430,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hickman Road over T.I.D. Main Canal built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1959.

What condition is Hickman Road over T.I.D. Main Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Hickman Road over T.I.D. Main Canal carry?

About 4,874 vehicles per day (2015 count), of which roughly 29% are trucks.

How long is Hickman Road over T.I.D. Main Canal?

The structure is 80 ft (24.4 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns Hickman Road over T.I.D. Main Canal?

It is owned by the County Highway Agency.