US Bridges

E80-MACDONALD Off over Macdonald Ave & E80 Off

Good

Contra Costa County, California · 04-CC-080-2.59-RCH · Structure no. 28 0082S

Built
1979
46 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
277 ft
3 main spans
Daily traffic
4,420
2023 count
Owner
State
State Highway Agency

About this bridge

E80-MACDONALD Off over Macdonald Ave & E80 Off is a prestressed concrete continuous box beam or girders - multiple carrying E80-MACDONALD Off over Macdonald Ave & E80 Off in Contra Costa County, California. It was built in 1979, so it is 46 years old, younger 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 4,420 vehicles a day, roughly 3% of them trucks, projected to reach 5,750 by 2042. The structure is 277 ft (84.4 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesE80-MACDONALD Off
CrossesMacdonald Ave & E80 Off
Location04-CC-080-2.59-RCH
RouteInterstate 80
CountyContra Costa County
StateCalifornia
Coordinates37.93226, -122.32528
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length277 ft (84.4 m)
Longest span110 ft (33.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,420 (2023)
Projected traffic5,750 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E80-MACDONALD Off over Macdonald Ave & E80 Off built?

It was built in 1979, making it 46 years old in 2025.

What condition is E80-MACDONALD Off over Macdonald Ave & E80 Off 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 June 2023.

How much traffic does E80-MACDONALD Off over Macdonald Ave & E80 Off carry?

About 4,420 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is E80-MACDONALD Off over Macdonald Ave & E80 Off?

The structure is 277 ft (84.4 m) long with a longest span of 110 ft (33.5 m) and a deck 27 ft wide.

Who owns E80-MACDONALD Off over Macdonald Ave & E80 Off?

It is owned by the State Highway Agency.