US Bridges

E Commercial ST over Broaddus Creek

Fair

Mendocino County, California · 0.3 MI E JCT SR 101 · Structure no. 10C0068

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
1,000
1979 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Commercial ST over Broaddus Creek is a concrete continuous slab carrying E Commercial ST over Broaddus Creek in Mendocino County, California. It was built in 1966, so it is 59 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,963 by 2041. The structure is 78 ft (23.8 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE Commercial ST
CrossesBroaddus Creek
Location0.3 MI E JCT SR 101
RouteCity Street 0
Coordinates39.4125, -123.34791
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span30 ft (9.1 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1979)
Projected traffic1,963 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 E Commercial ST over Broaddus Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is E Commercial ST over Broaddus 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 E Commercial ST over Broaddus Creek carry?

About 1,000 vehicles per day (1979 count), of which roughly 3% are trucks.

How long is E Commercial ST over Broaddus Creek?

The structure is 78 ft (23.8 m) long with a longest span of 30 ft (9.1 m) and a deck 52 ft wide.

Who owns E Commercial ST over Broaddus Creek?

It is owned by the City or Municipal Highway Agency.