US Bridges

Csah 9 over TH 100

Fair

Hennepin County, Minnesota · At the JCT TH100; CSAH9 · Structure no. 27285

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
2 main spans
Daily traffic
20,088
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 9 over TH 100 is a prestressed concrete stringer/multi-beam or girder carrying Csah 9 over TH 100 in Hennepin County, Minnesota. It was built in 2001, so it is 24 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,088 vehicles a day, projected to reach 20,900 by 2042. The structure is 228 ft (69.6 m) long and 113 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 9
CrossesTH 100
LocationAt the JCT TH100; CSAH9
RouteCounty Highway 9
CountyHennepin County
StateMinnesota
Coordinates45.03148, -93.34711
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating60.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length228 ft (69.6 m)
Longest span117 ft (35.7 m)
Deck width113 ft (34.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,088 (2022)
Projected traffic20,900 by 2042
Trucks—
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 9 over TH 100 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Csah 9 over TH 100 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Csah 9 over TH 100 carry?

About 20,088 vehicles per day (2022 count).

How long is Csah 9 over TH 100?

The structure is 228 ft (69.6 m) long with a longest span of 117 ft (35.7 m) and a deck 113 ft wide.

Who owns Csah 9 over TH 100?

It is owned by the State Highway Agency.