US Bridges

S101-TALMAGE RD over Doolin Creek

Good

Mendocino County, California · 01-MEN-101-R23.59 · Structure no. 10 0190K

Built
1964
61 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
4,000
2009 count
Owner
State
State Highway Agency

About this bridge

S101-TALMAGE RD over Doolin Creek is a concrete slab carrying S101-TALMAGE RD over Doolin Creek in Mendocino County, California. It was built in 1964, so it is 61 years old, older 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 4,000 vehicles a day, roughly 8% of them trucks, projected to reach 5,425 by 2042. The structure is 27 ft (8.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS101-TALMAGE RD
CrossesDoolin Creek
Location01-MEN-101-R23.59
RouteU.S. Route 101
Coordinates39.138, -123.19611
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 rating73.2 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.1 m)
Longest span27 ft (8.1 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2009)
Projected traffic5,425 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S101-TALMAGE RD over Doolin Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is S101-TALMAGE RD over Doolin 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 October 2024.

How much traffic does S101-TALMAGE RD over Doolin Creek carry?

About 4,000 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is S101-TALMAGE RD over Doolin Creek?

The structure is 27 ft (8.1 m) long with a longest span of 27 ft (8.1 m) and a deck 25 ft wide.

Who owns S101-TALMAGE RD over Doolin Creek?

It is owned by the State Highway Agency.