US Bridges

Columbia Way over Woods Creek

Good

Tuolumne County, California · 0.3 MI N of SR 49 · Structure no. 32C0039

Built
1912
113 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
375
2009 count
Owner
County
County Highway Agency

About this bridge

Columbia Way over Woods Creek is a concrete slab carrying Columbia Way over Woods Creek in Tuolumne County, California. It was built in 1912, so it is 113 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 375 vehicles a day, roughly 1% of them trucks, projected to reach 555 by 2046. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesColumbia Way
CrossesWoods Creek
Location0.3 MI N of SR 49
RouteCounty Highway 0
Coordinates37.99356, -120.3821
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2009)
Projected traffic555 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Columbia Way over Woods Creek built?

It was built in 1912, making it 113 years old in 2025.

What condition is Columbia Way over Woods Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Columbia Way over Woods Creek carry?

About 375 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Columbia Way over Woods Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 21 ft wide.

Who owns Columbia Way over Woods Creek?

It is owned by the County Highway Agency.