Structure 27291 · Hennepin County, MN

Csah 53 over TH 77

Carries Csah 53 over TH 77, 1.5 Mi N Of Jct TH 494.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT168 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

168 ft end to end, longest span 81 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.

Built200521 years old
Length167.7 ft51.1 m
Daily traffic12,300counted 2016
Last inspectedJuly 2024every 24 months

Location

StateMinnesota
CountyHennepin
Location1.5 Mi N Of Jct TH 494
CarriesCsah 53
CrossesTH 77
Coordinates44.88364, -93.24691

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length167.7 ft (51.1 m)
Max Span81.4 ft (24.8 m)
Deck Width64.0 ft (19.5 m)
Deck Area996.5 sq m
Main Spans2
Year Built2005

Traffic

Avg Daily Traffic12,300 (2016)
Lanes On Bridge4
Lanes Under Bridge5

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number27291

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.

Nearby Bridges