US Bridges

Csah 18 over US 212

Fair

Carver County, Minnesota · 0.3 MI W JCT 101; Csah 1 · Structure no. 10039

Built
2007
18 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
274 ft
2 main spans
Daily traffic
4,350
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 18 over US 212 is a prestressed concrete stringer/multi-beam or girder carrying Csah 18 over US 212 in Carver County, Minnesota. It was built in 2007, so it is 18 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 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 4,350 vehicles a day, roughly 1% of them trucks, projected to reach 5,100 by 2039. The structure is 274 ft (83.4 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 18
CrossesUS 212
Location0.3 MI W JCT 101; Csah 1
RouteCounty Highway 18
Coordinates44.84079, -93.54566
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.7 US tons
Inventory rating47.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length274 ft (83.4 m)
Longest span130 ft (39.6 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,350 (2019)
Projected traffic5,100 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 18 over US 212 built?

It was built in 2007, making it 18 years old in 2025.

What condition is Csah 18 over US 212 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 August 2024.

How much traffic does Csah 18 over US 212 carry?

About 4,350 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Csah 18 over US 212?

The structure is 274 ft (83.4 m) long with a longest span of 130 ft (39.6 m) and a deck 66 ft wide.

Who owns Csah 18 over US 212?

It is owned by the State Highway Agency.