US Bridges

Csah 30 over I 35E

Fair

Dakota County, Minnesota · 2.3 MI NE of JCT TH 77 · Structure no. 19817

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
266 ft
2 main spans
Daily traffic
19,231
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 30 over I 35E is a steel continuous stringer/multi-beam or girder carrying Csah 30 over I 35E in Dakota County, Minnesota. It was built in 1984, so it is 41 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 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 19,231 vehicles a day, projected to reach 17,800 by 2042. The structure is 266 ft (81 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 30
CrossesI 35E
Location2.3 MI NE of JCT TH 77
RouteCounty Highway 30
CountyDakota County
StateMinnesota
Coordinates44.80449, -93.19058
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating56.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length266 ft (81 m)
Longest span130 ft (39.6 m)
Deck width110 ft (33.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,231 (2022)
Projected traffic17,800 by 2042
Trucks—
Lanes on structure4
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 30 over I 35E built?

It was built in 1984, making it 41 years old in 2025.

What condition is Csah 30 over I 35E 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 July 2024.

How much traffic does Csah 30 over I 35E carry?

About 19,231 vehicles per day (2022 count).

How long is Csah 30 over I 35E?

The structure is 266 ft (81 m) long with a longest span of 130 ft (39.6 m) and a deck 110 ft wide.

Who owns Csah 30 over I 35E?

It is owned by the State Highway Agency.