US Bridges

Hollands Lane over Branch of Haehl Creek

Fair

Mendocino County, California · 0.2 MI W US 101 · Structure no. 10C0204

Built
1925
100 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
62
2011 count
Owner
County
County Highway Agency

About this bridge

Hollands Lane over Branch of Haehl Creek is a concrete tee beam carrying Hollands Lane over Branch of Haehl Creek in Mendocino County, California. It was built in 1925, so it is 100 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 62 vehicles a day, projected to reach 65 by 2041. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHollands Lane
CrossesBranch of Haehl Creek
Location0.2 MI W US 101
RouteCounty Highway 0
CountyMendocino County
StateCalifornia
Coordinates39.37729, -123.33972
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2011)
Projected traffic65 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Hollands Lane over Branch of Haehl Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Hollands Lane over Branch of Haehl 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 Hollands Lane over Branch of Haehl Creek carry?

About 62 vehicles per day (2011 count).

How long is Hollands Lane over Branch of Haehl Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns Hollands Lane over Branch of Haehl Creek?

It is owned by the County Highway Agency.