Structure 7910 · Oakland County, MI

Us-24 Telegraph RD over I-696

Carries Us-24 Telegraph RD over I-696, In Southfield (i-696).

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT279 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

279 ft end to end, longest span 70 ft: about 4 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.

Built1967rebuilt 1975
Length278.9 ft85 m
Daily traffic93,410counted 2007
Last inspectedMay 2023every 24 months

Location

StateMichigan
CountyOakland
LocationIn Southfield (i-696)
CarriesUs-24 Telegraph RD
CrossesI-696
Coordinates42.48986, -83.28458

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length278.9 ft (85 m)
Max Span69.6 ft (21.2 m)
Deck Width118.4 ft (36.1 m)
Deck Area3068.5 sq m
Main Spans4
Year Built1967 (reconstructed 1975)

Traffic

Avg Daily Traffic93,410 (2007)
Truck Traffic2%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000007910

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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