US Bridges

State Route 57 over Chapman Ave

Good

Orange County, California · 12-ORA-057-17.30-FUL · Structure no. 55 0456

Built
1969
56 years old, rebuilt 2013
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
271,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 57 over Chapman Ave is a prestressed concrete box beam or girders - multiple carrying State Route 57 over Chapman Ave in Orange County, California. It was built in 1969 and reconstructed in 2013, so it is 56 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 271,000 vehicles a day, projected to reach 359,000 by 2041. The structure is 152 ft (46.3 m) long and 169 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 57
CrossesChapman Ave
Location12-ORA-057-17.30-FUL
RouteState Highway 57
Coordinates33.8739, -117.88012
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 2024
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span150 ft (45.7 m)
Deck width169 ft (51.4 m)
Roadway width166 ft (50.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271,000 (2020)
Projected traffic359,000 by 2041
Trucks0%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 State Route 57 over Chapman Ave built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2013.

What condition is State Route 57 over Chapman Ave 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 2024.

How much traffic does State Route 57 over Chapman Ave carry?

About 271,000 vehicles per day (2020 count).

How long is State Route 57 over Chapman Ave?

The structure is 152 ft (46.3 m) long with a longest span of 150 ft (45.7 m) and a deck 169 ft wide.

Who owns State Route 57 over Chapman Ave?

It is owned by the State Highway Agency.