US Bridges

Old Wards Ferry RD over State Route 108

Fair

Tuolumne County, California · 10-TUO-108-R1.57-SRA · Structure no. 32 0063

Built
1987
38 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
102
2001 count
Owner
State
State Highway Agency

About this bridge

Old Wards Ferry RD over State Route 108 is a prestressed concrete box beam or girders - multiple carrying Old Wards Ferry RD over State Route 108 in Tuolumne 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 fair condition with a lowest component rating of 6 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 102 vehicles a day, roughly 5% of them trucks, projected to reach 166 by 2045. The structure is 110 ft (33.5 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Wards Ferry RD
CrossesState Route 108
Location10-TUO-108-R1.57-SRA
RouteCity Street 0
Coordinates37.97073, -120.36715
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2001)
Projected traffic166 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Wards Ferry RD over State Route 108 built?

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

What condition is Old Wards Ferry RD over State Route 108 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 Old Wards Ferry RD over State Route 108 carry?

About 102 vehicles per day (2001 count), of which roughly 5% are trucks.

How long is Old Wards Ferry RD over State Route 108?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 44 ft wide.

Who owns Old Wards Ferry RD over State Route 108?

It is owned by the State Highway Agency.