US Bridges

Csah 16 over Stream

Good

Otter Tail County, Minnesota · 2.2 MI E of JCT TH 78 · Structure no. 96546

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
435
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Stream is a concrete culvert carrying Csah 16 over Stream in Otter Tail County, Minnesota. It was built in 1987, so it is 38 years old, younger 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 435 vehicles a day, projected to reach 460 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 16
CrossesStream
Location2.2 MI E of JCT TH 78
RouteCounty Highway 16
Coordinates46.31125, -95.67069
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span19 ft (5.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2019)
Projected traffic460 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$143 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Stream built?

It was built in 1987, making it 38 years old in 2025.

What condition is Csah 16 over Stream 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 Csah 16 over Stream carry?

About 435 vehicles per day (2019 count).

How long is Csah 16 over Stream?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.9 m).

Who owns Csah 16 over Stream?

It is owned by the County Highway Agency.