US Bridges

Church Lane over San Pablo Creek

Poor

Contra Costa County, California · 0.1 MI S El Portal · Structure no. 28C0323

Built
1955
70 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
3 main spans
Daily traffic
12,540
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Church Lane over San Pablo Creek is a steel stringer/multi-beam or girder carrying Church Lane over San Pablo Creek in Contra Costa County, California. It was built in 1955, so it is 70 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 12,540 vehicles a day, roughly 2% of them trucks, projected to reach 20,855 by 2042. The structure is 77 ft (23.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChurch Lane
CrossesSan Pablo Creek
Location0.1 MI S El Portal
RouteCity Street 0
Coordinates37.96199, -122.33637
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length77 ft (23.5 m)
Longest span26 ft (7.9 m)
Deck width45 ft (13.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,540 (2020)
Projected traffic20,855 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Church Lane over San Pablo Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Church Lane over San Pablo 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 December 2024.

How much traffic does Church Lane over San Pablo Creek carry?

About 12,540 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Church Lane over San Pablo Creek?

The structure is 77 ft (23.5 m) long with a longest span of 26 ft (7.9 m) and a deck 45 ft wide.

Who owns Church Lane over San Pablo Creek?

It is owned by the City or Municipal Highway Agency.