US Bridges

Csah 34 over Nine Mile Creek

Fair

Hennepin County, Minnesota · 0.7 MI S of JCT TH 494 · Structure no. 27577

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
23,037
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 34 over Nine Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 34 over Nine Mile Creek in Hennepin County, Minnesota. It was built in 1976, so it is 49 years old, older 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 6 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 23,037 vehicles a day, projected to reach 25,500 by 2041. The structure is 42 ft (12.9 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 34
CrossesNine Mile Creek
Location0.7 MI S of JCT TH 494
RouteCounty Highway 34
Coordinates44.84876, -93.35024
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span38 ft (11.6 m)
Deck width70 ft (21.4 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,037 (2021)
Projected traffic25,500 by 2041
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 34 over Nine Mile Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Csah 34 over Nine Mile Creek 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 May 2024.

How much traffic does Csah 34 over Nine Mile Creek carry?

About 23,037 vehicles per day (2021 count).

How long is Csah 34 over Nine Mile Creek?

The structure is 42 ft (12.9 m) long with a longest span of 38 ft (11.6 m) and a deck 70 ft wide.

Who owns Csah 34 over Nine Mile Creek?

It is owned by the County Highway Agency.