Structure 1081140 · Onondaga County, NY

I-81 over Mud Creek

Carries I-81 over Mud Creek, East Of I81 Bl North Syra.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 24 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built20242 years old
Length23.6 ft7.2 m
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountyOnondaga
LocationEast Of I81 Bl North Syra
CarriesI-81
CrossesMud Creek
Coordinates43.14076, -76.10517

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length23.6 ft (7.2 m)
Max Span21.3 ft (6.5 m)
Deck Width326.1 ft (99.4 m)
Deck Area715.7 sq m
Main Spans1
Year Built2024

Traffic

Lanes On Bridge9

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure Number000000001081140

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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