US Bridges

Ford ST over Orrs Creek

Fair

Mendocino County, California · 0.2 MI E of N State St. · Structure no. 10C0108

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
1,751
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ford ST over Orrs Creek is a concrete tee beam carrying Ford ST over Orrs Creek in Mendocino County, California. It was built in 1977, so it is 48 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 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 1,751 vehicles a day, roughly 2% of them trucks, projected to reach 5,135 by 2042. The structure is 45 ft (13.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFord ST
CrossesOrrs Creek
Location0.2 MI E of N State St.
RouteCity Street 0
CountyMendocino County
StateCalifornia
Coordinates39.15678, -123.20558
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width44 ft (13.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,751 (2017)
Projected traffic5,135 by 2042
Trucks2%
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 Ford ST over Orrs Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ford ST over Orrs 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 February 2024.

How much traffic does Ford ST over Orrs Creek carry?

About 1,751 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Ford ST over Orrs Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 44 ft wide.

Who owns Ford ST over Orrs Creek?

It is owned by the City or Municipal Highway Agency.