US Bridges

Uva Drive over Forsythe Creek

Good

Mendocino County, California · 1/4 MI S of SR 101 · Structure no. 10C0045

Built
1990
35 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
1,830
2011 count
Owner
County
County Highway Agency

About this bridge

Uva Drive over Forsythe Creek is a prestressed concrete continuous box beam or girders - multiple carrying Uva Drive over Forsythe Creek in Mendocino County, California. It was built in 1990, so it is 35 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 1,830 vehicles a day, roughly 5% of them trucks, projected to reach 2,180 by 2041. The structure is 215 ft (65.5 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUva Drive
CrossesForsythe Creek
Location1/4 MI S of SR 101
RouteCounty Highway 0
Coordinates39.25852, -123.22524
Functional classRural Local

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 inspectionAugust 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span106 ft (32.3 m)
Deck width48 ft (14.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,830 (2011)
Projected traffic2,180 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Uva Drive over Forsythe Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Uva Drive over Forsythe 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 August 2023.

How much traffic does Uva Drive over Forsythe Creek carry?

About 1,830 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Uva Drive over Forsythe Creek?

The structure is 215 ft (65.5 m) long with a longest span of 106 ft (32.3 m) and a deck 48 ft wide.

Who owns Uva Drive over Forsythe Creek?

It is owned by the County Highway Agency.