BridgeSafety
San Bernardino County, CA · Structure #54 0912

INTERSTATE 15

INTERSTATE 15 in 08-Sbd-015-3.05-Rcuc, San Bernardino County, California received a condition grade of B (77/100). Built in 1974, the bridge carries 204K vehicles daily on INTERSTATE 15 over Fourth Street.

B
77/100
77
Condition Score
204K
Daily Traffic
1974
Year Built
49m
Length

Component Ratings

DeckGood
7/9

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
INTERSTATE 15
Crosses Over
Fourth Street
State
California
County
San Bernardino County
Location
08-Sbd-015-3.05-Rcuc
Year Built
1974
Reconstructed
2011
Age
52 years
Daily Traffic
204,000
Lanes
13
Length
49 meters
Owner
State Highway Agency
Structure Number
54 0912

About This Bridge

INTERSTATE 15 is a 52-year-old bridge located 08-Sbd-015-3.05-Rcuc in San Bernardino County, California. The bridge carries INTERSTATE 15 over Fourth Street with 13 traffic lanes, handling approximately 204K vehicles per day. Built in 1974 and reconstructed in 2011, the structure spans 49 meters.

The bridge received a Condition Grade of B (77/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

08-Sbd-015-3.05-Rcuc, San Bernardino County, California

34.077006, -117.544425

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Frequently Asked Questions

INTERSTATE 15 has a Condition Score of 77/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 15 was built in 1974 and reconstructed in 2011, making it 52 years old. The average bridge age in the United States is 48 years.

INTERSTATE 15 carries approximately 204K vehicles per day (average daily traffic). The bridge has 13 traffic lanes. It is 49 meters long and located on INTERSTATE 15 in 08-Sbd-015-3.05-Rcuc, San Bernardino County, California.

No, INTERSTATE 15 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

INTERSTATE 15 is located 08-Sbd-015-3.05-Rcuc in San Bernardino County, California. The bridge carries INTERSTATE 15 over Fourth Street. Its coordinates are 34.077006, -117.544425. It is maintained by State Highway Agency.

INTERSTATE 15 carries INTERSTATE 15 over Fourth Street. The bridge is 49 meters long and was built in 1974, with reconstruction in 2011.

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.