Structure 3926 · Ingham County, MI

Bogue Street over Red Cedar River

Carries Bogue Street over Red Cedar River, 0.5 Mi N Of Shaw Lane Msu.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT176 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

176 ft end to end, longest span 59 ft: about 2 semi-trucks nose to tail. 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 multi-beam bridge.

Built196363 years old
Length175.9 ft53.6 m
Daily traffic5,102counted 2015
Last inspectedMay 2024every 24 months

Location

StateMichigan
CountyIngham
Location0.5 Mi N Of Shaw Lane Msu
CarriesBogue Street
CrossesRed Cedar River
Coordinates42.72803, -84.47197

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length175.9 ft (53.6 m)
Max Span58.7 ft (17.9 m)
Deck Width71.5 ft (21.8 m)
Deck Area1168.5 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic5,102 (2015)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000000003926

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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