BridgeSafety
San Bernardino County, CA · Structure #54 0425M

INTERSTATE 10

INTERSTATE 10 in 08-Sbd-010-12.14-Sbd, San Bernardino County, California received a condition grade of F (0/100). Built in 1946, the bridge carries 195K vehicles daily on INTERSTATE 10 over Mulberry Creek. It is classified as structurally deficient.

F
0/100
0
Condition Score
195K
Daily Traffic
1946
Year Built
8.5m
Length

Component Ratings

DeckSerious
0/9

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

SuperstructureSerious
0/9

Beams, girders, and trusses that support the deck

SubstructureSerious
0/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 10
Crosses Over
Mulberry Creek
State
California
County
San Bernardino County
Location
08-Sbd-010-12.14-Sbd
Year Built
1946
Reconstructed
1965
Age
80 years
Daily Traffic
195,000
Lanes
8
Length
8.5 meters
Owner
State Highway Agency
Structure Number
54 0425M

About This Bridge

INTERSTATE 10 is a 80-year-old bridge located 08-Sbd-010-12.14-Sbd in San Bernardino County, California. The bridge carries INTERSTATE 10 over Mulberry Creek with 8 traffic lanes, handling approximately 195K vehicles per day. Built in 1946 and reconstructed in 1965, the structure spans 8.5 meters.

The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.

This bridge is owned and maintained by State Highway Agency.

Location Map

08-Sbd-010-12.14-Sbd, San Bernardino County, California

34.065553, -117.506725

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Frequently Asked Questions

INTERSTATE 10 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.

INTERSTATE 10 was built in 1946 and reconstructed in 1965, making it 80 years old. The average bridge age in the United States is 48 years.

INTERSTATE 10 carries approximately 195K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 8.5 meters long and located on INTERSTATE 10 in 08-Sbd-010-12.14-Sbd, San Bernardino County, California.

Yes, INTERSTATE 10 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.

INTERSTATE 10 is located 08-Sbd-010-12.14-Sbd in San Bernardino County, California. The bridge carries INTERSTATE 10 over Mulberry Creek. Its coordinates are 34.065553, -117.506725. It is maintained by State Highway Agency.

INTERSTATE 10 carries INTERSTATE 10 over Mulberry Creek. The bridge is 8.5 meters long and was built in 1946, with reconstruction in 1965.

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.