US Bridges

Railroad Avenue over Baechtel Creek

Fair

Mendocino County, California · 0.1 MI East of Rt 101 · Structure no. 10C0214

Built
2011
14 years old
Condition
Fair
inspected August 2021
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
300
1985 count
Owner
City
City or Municipal Highway Agency

About this bridge

Railroad Avenue over Baechtel Creek is a concrete continuous slab carrying Railroad Avenue over Baechtel Creek in Mendocino County, California. It was built in 2011, so it is 14 years old, younger 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 6 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 535 by 2041. The structure is 62 ft (18.9 m) long and 30 ft wide.

CarriesRailroad Avenue
CrossesBaechtel Creek
Location0.1 MI East of Rt 101
RouteCity Street 0
Coordinates39.40451, -123.34737
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span22 ft (6.6 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1985)
Projected traffic535 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Railroad Avenue over Baechtel Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Railroad Avenue over Baechtel 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 August 2021.

How much traffic does Railroad Avenue over Baechtel Creek carry?

About 300 vehicles per day (1985 count), of which roughly 10% are trucks.

How long is Railroad Avenue over Baechtel Creek?

The structure is 62 ft (18.9 m) long with a longest span of 22 ft (6.6 m) and a deck 30 ft wide.

Who owns Railroad Avenue over Baechtel Creek?

It is owned by the City or Municipal Highway Agency.