US Bridges

Ben Hur Road over Chapman Creek

Fair

Mariposa County, California · 3.5 MI N Preston Road · Structure no. 40C0029

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
90
2002 count
Owner
County
County Highway Agency

About this bridge

Ben Hur Road over Chapman Creek is a concrete continuous slab carrying Ben Hur Road over Chapman Creek in Mariposa County, California. It was built in 1967, so it is 58 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 90 vehicles a day, projected to reach 213 by 2040. The structure is 77 ft (23.6 m) long and 29 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesBen Hur Road
CrossesChapman Creek
Location3.5 MI N Preston Road
RouteCounty Highway 0
CountyMariposa County
StateCalifornia
Coordinates37.30595, -119.97637
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2002)
Projected traffic213 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Ben Hur Road over Chapman Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ben Hur Road over Chapman 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 September 2023.

How much traffic does Ben Hur Road over Chapman Creek carry?

About 90 vehicles per day (2002 count).

How long is Ben Hur Road over Chapman Creek?

The structure is 77 ft (23.6 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Ben Hur Road over Chapman Creek?

It is owned by the County Highway Agency.