US Bridges

East Hill Road over Davis Creek

Good

Mendocino County, California · 1.2 MI East of Hilltop DR · Structure no. 10C0222

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
184 ft
1 main span
Daily traffic
2,000
2020 count
Owner
County
County Highway Agency

About this bridge

East Hill Road over Davis Creek is a prestressed concrete box beam or girders - multiple carrying East Hill Road over Davis Creek in Mendocino County, California. It was built in 2019, so it is 6 years old, younger 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,497 by 2043. The structure is 184 ft (56.2 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesEast Hill Road
CrossesDavis Creek
Location1.2 MI East of Hilltop DR
RouteCounty Highway 0
CountyMendocino County
StateCalifornia
Coordinates39.39149, -123.30972
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length184 ft (56.2 m)
Longest span178 ft (54.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2020)
Projected traffic2,497 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was East Hill Road over Davis Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is East Hill Road over Davis 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 September 2023.

How much traffic does East Hill Road over Davis Creek carry?

About 2,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is East Hill Road over Davis Creek?

The structure is 184 ft (56.2 m) long with a longest span of 178 ft (54.4 m) and a deck 44 ft wide.

Who owns East Hill Road over Davis Creek?

It is owned by the County Highway Agency.