US Bridges

US 169 over Csah 29

Good

Sherburne County, Minnesota · 1.8 MI S of JCT TH 95 · Structure no. 71008

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
3 main spans
Daily traffic
10,600
2018 count
Owner
State
State Highway Agency

About this bridge

US 169 over Csah 29 is a steel continuous stringer/multi-beam or girder carrying US 169 over Csah 29 in Sherburne County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,600 vehicles a day, roughly 5% of them trucks, projected to reach 9,450 by 2038. The structure is 247 ft (75.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 169
CrossesCsah 29
Location1.8 MI S of JCT TH 95
RouteU.S. Route 169
Coordinates45.55388, -93.58505
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.4 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length247 ft (75.4 m)
Longest span118 ft (35.9 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2018)
Projected traffic9,450 by 2038
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 169 over Csah 29 built?

It was built in 1979, making it 46 years old in 2025.

What condition is US 169 over Csah 29 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does US 169 over Csah 29 carry?

About 10,600 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is US 169 over Csah 29?

The structure is 247 ft (75.4 m) long with a longest span of 118 ft (35.9 m) and a deck 44 ft wide.

Who owns US 169 over Csah 29?

It is owned by the State Highway Agency.