Structure 3936 · Ingham County, MI

E Elm Street over Red Cedar River

Carries E Elm Street over Red Cedar River, In The City Of Lansing.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 3 of 9.

How ratings work
Deck4/9 · Poor
Superstructuresets the rating3/9 · Serious
Substructure5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT129 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 3/9 · sets the ratingSubstructure 5/9

129 ft end to end, longest span 64 ft. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built198046 years old
Length128.6 ft39.2 m
Daily traffic2,000counted 2011
Last inspectedOctober 2024every 12 months

Location

StateMichigan
CountyIngham
LocationIn The City Of Lansing
CarriesE Elm Street
CrossesRed Cedar River
Coordinates42.72189, -84.54886

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length128.6 ft (39.2 m)
Max Span64.3 ft (19.6 m)
Deck Width42.3 ft (12.9 m)
Deck Area505.7 sq m
Main Spans2
Year Built1980

Traffic

Avg Daily Traffic2,000 (2011)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000000003936

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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