BridgeSafety
Los Angeles County, CA · Structure #53 0555R

ROUTE 101 NB

ROUTE 101 NB in 07-La-101-S1.28-La, Los Angeles County, California received a condition grade of C (56/100). Built in 1947, the bridge carries 140K vehicles daily on ROUTE 101 NB over Mission RD-E10 On-Ramp.

C
56/100
56
Condition Score
140K
Daily Traffic
1947
Year Built
32.9m
Length

Component Ratings

DeckFair
5/9

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
ROUTE 101 NB
Crosses Over
Mission RD-E10 On-Ramp
State
California
County
Los Angeles County
Location
07-La-101-S1.28-La
Year Built
1947
Age
79 years
Daily Traffic
140,000
Lanes
2
Length
32.9 meters
Owner
State Highway Agency
Structure Number
53 0555R

About This Bridge

ROUTE 101 NB is a 79-year-old bridge located 07-La-101-S1.28-La in Los Angeles County, California. The bridge carries ROUTE 101 NB over Mission RD-E10 On-Ramp with 2 traffic lanes, handling approximately 140K vehicles per day. Built in 1947, the structure spans 32.9 meters.

The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-101-S1.28-La, Los Angeles County, California

34.051997, -118.223819

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Frequently Asked Questions

ROUTE 101 NB has a Condition Score of 56/100 (Grade C). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

ROUTE 101 NB was built in 1947, making it 79 years old. The average bridge age in the United States is 48 years.

ROUTE 101 NB carries approximately 140K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 32.9 meters long and located on ROUTE 101 NB in 07-La-101-S1.28-La, Los Angeles County, California.

No, ROUTE 101 NB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

ROUTE 101 NB is located 07-La-101-S1.28-La in Los Angeles County, California. The bridge carries ROUTE 101 NB over Mission RD-E10 On-Ramp. Its coordinates are 34.051997, -118.223819. It is maintained by State Highway Agency.

ROUTE 101 NB carries ROUTE 101 NB over Mission RD-E10 On-Ramp. The bridge is 32.9 meters long and was built in 1947.

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.