US Bridges

Csah 30 over Elm Creek

Fair

Hennepin County, Minnesota · 0.1 MI E of JCT Csah 121 · Structure no. 27553

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
106 ft
3 main spans
Daily traffic
15,600
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Elm Creek is a steel continuous stringer/multi-beam or girder carrying Csah 30 over Elm Creek in Hennepin County, Minnesota. It was built in 1969, so it is 56 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 15,600 vehicles a day, projected to reach 15,600 by 2039. The structure is 106 ft (32.2 m) long and 86 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 30
CrossesElm Creek
Location0.1 MI E of JCT Csah 121
RouteCounty Highway 30
Coordinates45.12362, -93.45997
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.2 m)
Longest span40 ft (12.2 m)
Deck width86 ft (26.1 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2017)
Projected traffic15,600 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$225 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 30 over Elm Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Csah 30 over Elm 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 June 2024.

How much traffic does Csah 30 over Elm Creek carry?

About 15,600 vehicles per day (2017 count).

How long is Csah 30 over Elm Creek?

The structure is 106 ft (32.2 m) long with a longest span of 40 ft (12.2 m) and a deck 86 ft wide.

Who owns Csah 30 over Elm Creek?

It is owned by the County Highway Agency.