US Bridges

State Route 1 over Limekiln Creek

Poor

Monterey County, California · 05-MON-001-20.95 · Structure no. 44 0058

Built
1957
68 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
578 ft
6 main spans
Daily traffic
2,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Limekiln Creek is a prestressed concrete stringer/multi-beam or girder carrying State Route 1 over Limekiln Creek in Monterey County, California. It was built in 1957, so it is 68 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,977 by 2041. The structure is 578 ft (176.2 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 1
CrossesLimekiln Creek
Location05-MON-001-20.95
RouteState Highway 1
Coordinates36.00869, -121.51841
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6 (+3 approach)
Design loadHS 20
Structure length578 ft (176.2 m)
Longest span73 ft (22.4 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2009)
Projected traffic2,977 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 1 over Limekiln Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is State Route 1 over Limekiln Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does State Route 1 over Limekiln Creek carry?

About 2,000 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is State Route 1 over Limekiln Creek?

The structure is 578 ft (176.2 m) long with a longest span of 73 ft (22.4 m) and a deck 34 ft wide.

Who owns State Route 1 over Limekiln Creek?

It is owned by the State Highway Agency.