US Bridges

Old Toll Road over Bear Creek

Poor

Mariposa County, California · 3.0 MI W of SR 49 · Structure no. 40C0057

Built
1948
77 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
73 ft
3 main spans
Daily traffic
130
2004 count
Owner
County
County Highway Agency

About this bridge

Old Toll Road over Bear Creek is a wood or timber stringer/multi-beam or girder carrying Old Toll Road over Bear Creek in Mariposa County, California. It was built in 1948, so it is 77 years old, older 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 316 by 2042. The structure is 73 ft (22.3 m) long and 16 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesOld Toll Road
CrossesBear Creek
Location3.0 MI W of SR 49
RouteCounty Highway 0
Coordinates37.50869, -120.0949
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
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 inspectionJune 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19.6 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length73 ft (22.3 m)
Longest span24 ft (7.3 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2004)
Projected traffic316 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$401,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Toll Road over Bear Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Old Toll Road over Bear 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 June 2024.

How much traffic does Old Toll Road over Bear Creek carry?

About 130 vehicles per day (2004 count), of which roughly 2% are trucks.

How long is Old Toll Road over Bear Creek?

The structure is 73 ft (22.3 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.

Who owns Old Toll Road over Bear Creek?

It is owned by the County Highway Agency.