US Bridges

US 10 over Csah 13

Fair

Morrison County, Minnesota · 1.9 MI W of JCT TH 371 · Structure no. 49016

Built
1974
51 years old, rebuilt 2007
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
177 ft
3 main spans
Daily traffic
4,600
2019 count
Owner
State
State Highway Agency

About this bridge

US 10 over Csah 13 is a prestressed concrete stringer/multi-beam or girder carrying US 10 over Csah 13 in Morrison County, Minnesota. It was built in 1974 and reconstructed in 2007, so it is 51 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 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,300 by 2039. The structure is 177 ft (54.1 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 10
CrossesCsah 13
Location1.9 MI W of JCT TH 371
RouteU.S. Route 10
Coordinates46.0002, -94.37812
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length177 ft (54.1 m)
Longest span77 ft (23.5 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2019)
Projected traffic4,300 by 2039
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 US 10 over Csah 13 built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2007.

What condition is US 10 over Csah 13 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 US 10 over Csah 13 carry?

About 4,600 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is US 10 over Csah 13?

The structure is 177 ft (54.1 m) long with a longest span of 77 ft (23.5 m) and a deck 45 ft wide.

Who owns US 10 over Csah 13?

It is owned by the State Highway Agency.