US Bridges

Csah 15 over US 10

Fair

Sherburne County, Minnesota · At JCT TH 10;CSAH 14;15 · Structure no. 71015

Built
2002
23 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
2 main spans
Daily traffic
4,450
2018 count
Owner
State
State Highway Agency

About this bridge

Csah 15 over US 10 is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over US 10 in Sherburne County, Minnesota. It was built in 2002, so it is 23 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 4,450 vehicles a day, projected to reach 4,650 by 2038. The structure is 225 ft (68.6 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 15
CrossesUS 10
LocationAt JCT TH 10;CSAH 14;15
RouteCounty Highway 15
Coordinates45.31736, -93.66521
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length225 ft (68.6 m)
Longest span110 ft (33.4 m)
Deck width84 ft (25.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2018)
Projected traffic4,650 by 2038
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 15 over US 10 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Csah 15 over US 10 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 September 2023.

How much traffic does Csah 15 over US 10 carry?

About 4,450 vehicles per day (2018 count).

How long is Csah 15 over US 10?

The structure is 225 ft (68.6 m) long with a longest span of 110 ft (33.4 m) and a deck 84 ft wide.

Who owns Csah 15 over US 10?

It is owned by the State Highway Agency.