US Bridges

Ingomar Road over San Luis Creek

Poor

Merced County, California · 0.65 MI S Husman Road · Structure no. 39C0073

Built
1987
38 years old
Condition
Poor
inspected February 2025
Type
Culvert
Steel
Length
23 ft
4 main spans
Daily traffic
304
2015 count
Owner
County
County Highway Agency

About this bridge

Ingomar Road over San Luis Creek is a steel culvert carrying Ingomar Road over San Luis Creek in Merced County, California. It was built in 1987, so it is 38 years old, younger 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 304 vehicles a day, roughly 5% of them trucks, projected to reach 1,119 by 2047. The structure is 23 ft (7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIngomar Road
CrossesSan Luis Creek
Location0.65 MI S Husman Road
RouteCounty Highway 0
Coordinates37.14913, -120.96868
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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length23 ft (7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic304 (2015)
Projected traffic1,119 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$147,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ingomar Road over San Luis Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ingomar Road over San Luis Creek 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 Ingomar Road over San Luis Creek carry?

About 304 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Ingomar Road over San Luis Creek?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m).

Who owns Ingomar Road over San Luis Creek?

It is owned by the County Highway Agency.