BridgeSafety
Sacramento County, CA · Structure #24 0181

SR 99 & LA MANCHA

SR 99 & LA MANCHA in 03-Sac-099-18.64, Sacramento County, California received a condition grade of F (0/100). Built in 1961, the bridge carries 161K vehicles daily on SR 99 & LA MANCHA over Florin Creek. It is classified as structurally deficient.

SR 99 & LA MANCHA carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.

The bridge was built in 1961 and is now 65 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. SR 99 & LA MANCHA carries an average daily traffic count of 161,000 vehicles, with 8 lane(s) crossing Florin Creek. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

F
0/100
0
Condition Score
161K
Daily Traffic
1961
Year Built
8.2m
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
SR 99 & LA MANCHA
Crosses Over
Florin Creek
State
California
County
Sacramento County
Location
03-Sac-099-18.64
Year Built
1961
Age
65 years
Daily Traffic
161,000
Lanes
8
Length
8.2 meters
Owner
State Highway Agency
Structure Number
24 0181

About This Bridge

SR 99 & LA MANCHA is a 65-year-old bridge located 03-Sac-099-18.64 in Sacramento County, California. The bridge carries SR 99 & LA MANCHA over Florin Creek with 8 traffic lanes, handling approximately 161K vehicles per day. Built in 1961, the structure spans 8.2 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

03-Sac-099-18.64, Sacramento County, California

38.485333, -121.434306

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Frequently Asked Questions

SR 99 & LA MANCHA 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.

SR 99 & LA MANCHA was built in 1961, making it 65 years old. The average bridge age in the United States is 48 years.

SR 99 & LA MANCHA carries approximately 161K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 8.2 meters long and located on SR 99 & LA MANCHA in 03-Sac-099-18.64, Sacramento County, California.

Yes, SR 99 & LA MANCHA 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.

SR 99 & LA MANCHA is located 03-Sac-099-18.64 in Sacramento County, California. The bridge carries SR 99 & LA MANCHA over Florin Creek. Its coordinates are 38.485333, -121.434306. It is maintained by State Highway Agency.

SR 99 & LA MANCHA carries SR 99 & LA MANCHA over Florin Creek. The bridge is 8.2 meters long and was built in 1961.

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.

Source: FHWA National Bridge Inventory, 2026.