US Bridges

Csah 16 over Jack Creek

Fair

Nobles County, Minnesota · 0.5 MI W of JCT Csah 3 · Structure no. 53523

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
95
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Jack Creek is a prestressed concrete channel beam carrying Csah 16 over Jack Creek in Nobles County, Minnesota. It was built in 1977, so it is 48 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 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 95 vehicles a day, projected to reach 115 by 2039. The structure is 93 ft (28.4 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 16
CrossesJack Creek
Location0.5 MI W of JCT Csah 3
RouteCounty Highway 16
Coordinates43.77609, -95.54396
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.5 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2019)
Projected traffic115 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Jack Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 16 over Jack Creek 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 October 2024.

How much traffic does Csah 16 over Jack Creek carry?

About 95 vehicles per day (2019 count).

How long is Csah 16 over Jack Creek?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.5 m) and a deck 38 ft wide.

Who owns Csah 16 over Jack Creek?

It is owned by the County Highway Agency.