BridgeSafety
Riverside County, CA · Structure #56 0391

ROUTE 91

ROUTE 91 in 08-Riv-091-15.10-Riv, Riverside County, California received a condition grade of B (62/100). Built in 1959, the bridge carries 203K vehicles daily on ROUTE 91 over Monroe Street.

B
62/100
62
Condition Score
203K
Daily Traffic
1959
Year Built
25.6m
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 91
Crosses Over
Monroe Street
State
California
County
Riverside County
Location
08-Riv-091-15.10-Riv
Year Built
1959
Reconstructed
2004
Age
67 years
Daily Traffic
203,000
Lanes
10
Length
25.6 meters
Owner
State Highway Agency
Structure Number
56 0391

About This Bridge

ROUTE 91 is a 67-year-old bridge located 08-Riv-091-15.10-Riv in Riverside County, California. The bridge carries ROUTE 91 over Monroe Street with 10 traffic lanes, handling approximately 203K vehicles per day. Built in 1959 and reconstructed in 2004, the structure spans 25.6 meters.

The bridge received a Condition Grade of B (62/100) 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

08-Riv-091-15.10-Riv, Riverside County, California

33.922969, -117.427147

Open in Google Maps →

Frequently Asked Questions

ROUTE 91 has a Condition Score of 62/100 (Grade B). 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 91 was built in 1959 and reconstructed in 2004, making it 67 years old. The average bridge age in the United States is 48 years.

ROUTE 91 carries approximately 203K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 25.6 meters long and located on ROUTE 91 in 08-Riv-091-15.10-Riv, Riverside County, California.

No, ROUTE 91 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 91 is located 08-Riv-091-15.10-Riv in Riverside County, California. The bridge carries ROUTE 91 over Monroe Street. Its coordinates are 33.922969, -117.427147. It is maintained by State Highway Agency.

ROUTE 91 carries ROUTE 91 over Monroe Street. The bridge is 25.6 meters long and was built in 1959, with reconstruction in 2004.

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.