US Bridges

Maher RD over Carneros Creek

Good

Monterey County, California · 0.25 MI S Tarpey RD · Structure no. 44C0137

Built
1950
75 years old
Condition
Good
inspected August 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
55 ft
2 main spans
Daily traffic
2,800
2017 count
Owner
County
County Highway Agency

About this bridge

Maher RD over Carneros Creek is a steel continuous girder and floorbeam system carrying Maher RD over Carneros Creek in Monterey County, California. It was built in 1950, so it is 75 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 2,800 vehicles a day, roughly 3% of them trucks, projected to reach 5,084 by 2040. The structure is 55 ft (16.8 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMaher RD
CrossesCarneros Creek
Location0.25 MI S Tarpey RD
RouteCounty Highway 0
Coordinates36.85758, -121.68497
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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating16.4 US tons

Structure

MaterialSteel Continuous
DeckClosed grating
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span26 ft (7.9 m)
Deck width39 ft (11.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2017)
Projected traffic5,084 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maher RD over Carneros Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Maher RD over Carneros 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 Maher RD over Carneros Creek carry?

About 2,800 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Maher RD over Carneros Creek?

The structure is 55 ft (16.8 m) long with a longest span of 26 ft (7.9 m) and a deck 39 ft wide.

Who owns Maher RD over Carneros Creek?

It is owned by the County Highway Agency.