US Bridges

Soulsbyville Road over Curtis Creek

Fair

Tuolumne County, California · 0.8 MI South of SR 108 · Structure no. 32C0071

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
3,708
2015 count
Owner
County
County Highway Agency

About this bridge

Soulsbyville Road over Curtis Creek is a concrete slab carrying Soulsbyville Road over Curtis Creek in Tuolumne County, California. It was built in 1930, so it is 95 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 3,708 vehicles a day, roughly 3% of them trucks, projected to reach 2,819 by 2046. The structure is 29 ft (8.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSoulsbyville Road
CrossesCurtis Creek
Location0.8 MI South of SR 108
RouteCounty Highway 0
CountyTuolumne County
StateCalifornia
Coordinates37.98665, -120.2648
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,708 (2015)
Projected traffic2,819 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Soulsbyville Road over Curtis Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Soulsbyville Road over Curtis 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 May 2024.

How much traffic does Soulsbyville Road over Curtis Creek carry?

About 3,708 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Soulsbyville Road over Curtis Creek?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns Soulsbyville Road over Curtis Creek?

It is owned by the County Highway Agency.