US Bridges

Hamilton Road over Ingram Creek

Fair

Stanislaus County, California · 0.8 MI E/O Mccracken RD · Structure no. 38C0243

Built
1918
107 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
39 ft
1 main span
Daily traffic
459
2017 count
Owner
County
County Highway Agency

About this bridge

Hamilton Road over Ingram Creek is a concrete tee beam carrying Hamilton Road over Ingram Creek in Stanislaus County, California. It was built in 1918, so it is 107 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 459 vehicles a day, roughly 18% of them trucks, projected to reach 271 by 2045. The structure is 39 ft (11.9 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesHamilton Road
CrossesIngram Creek
Location0.8 MI E/O Mccracken RD
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.56554, -121.25446
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2017)
Projected traffic271 by 2045
Trucks18%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Road over Ingram Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is Hamilton Road over Ingram 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 August 2023.

How much traffic does Hamilton Road over Ingram Creek carry?

About 459 vehicles per day (2017 count), of which roughly 18% are trucks.

How long is Hamilton Road over Ingram Creek?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 22 ft wide.

Who owns Hamilton Road over Ingram Creek?

It is owned by the County Highway Agency.