US Bridges

Appian Way SB over Interstate 80

Poor

Contra Costa County, California · 04-CC-080-7.60-PIN · Structure no. 28 0146R

Built
1957
68 years old
Condition
Poor
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
279 ft
2 main spans
Daily traffic
20,000
2017 count
Owner
State
State Highway Agency

About this bridge

Appian Way SB over Interstate 80 is a concrete continuous box beam or girders - multiple carrying Appian Way SB over Interstate 80 in Contra Costa 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 20,000 vehicles a day, roughly 1% of them trucks, projected to reach 32,712 by 2041. The structure is 279 ft (85 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesAppian Way SB
CrossesInterstate 80
Location04-CC-080-7.60-PIN
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.99364, -122.30224
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length279 ft (85 m)
Longest span102 ft (31.1 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2017)
Projected traffic32,712 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Appian Way SB over Interstate 80 built?

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

What condition is Appian Way SB over Interstate 80 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 July 2023.

How much traffic does Appian Way SB over Interstate 80 carry?

About 20,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Appian Way SB over Interstate 80?

The structure is 279 ft (85 m) long with a longest span of 102 ft (31.1 m) and a deck 35 ft wide.

Who owns Appian Way SB over Interstate 80?

It is owned by the State Highway Agency.