BridgeSafety
Alameda County, CA · Structure #33 0221

STATE ROUTE 238

STATE ROUTE 238 in 04-Ala-238-15.67, Alameda County, California received a condition grade of B (64/100). Built in 1956, the bridge carries 121K vehicles daily on STATE ROUTE 238 over Ashland AVE.

B
64/100
64
Condition Score
121K
Daily Traffic
1956
Year Built
20.8m
Length

Component Ratings

DeckFair
6/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 238
Crosses Over
Ashland AVE
State
California
County
Alameda County
Location
04-Ala-238-15.67
Year Built
1956
Reconstructed
2010
Age
70 years
Daily Traffic
121,000
Lanes
6
Length
20.8 meters
Owner
State Highway Agency
Structure Number
33 0221

About This Bridge

STATE ROUTE 238 is a 70-year-old bridge located 04-Ala-238-15.67 in Alameda County, California. The bridge carries STATE ROUTE 238 over Ashland AVE with 6 traffic lanes, handling approximately 121K vehicles per day. Built in 1956 and reconstructed in 2010, the structure spans 20.8 meters.

The bridge received a Condition Grade of B (64/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04-Ala-238-15.67, Alameda County, California

37.689644, -122.118794

Open in Google Maps →

Frequently Asked Questions

STATE ROUTE 238 has a Condition Score of 64/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 238 was built in 1956 and reconstructed in 2010, making it 70 years old. The average bridge age in the United States is 48 years.

STATE ROUTE 238 carries approximately 121K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 20.8 meters long and located on STATE ROUTE 238 in 04-Ala-238-15.67, Alameda County, California.

No, STATE ROUTE 238 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

STATE ROUTE 238 is located 04-Ala-238-15.67 in Alameda County, California. The bridge carries STATE ROUTE 238 over Ashland AVE. Its coordinates are 37.689644, -122.118794. It is maintained by State Highway Agency.

STATE ROUTE 238 carries STATE ROUTE 238 over Ashland AVE. The bridge is 20.8 meters long and was built in 1956, with reconstruction in 2010.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.