US Bridges

Csah 39 over Necktie River

Good

Hubbard County, Minnesota · 0.5 MI W of JCT Csah 45 · Structure no. 29531

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 39 over Necktie River is a concrete continuous slab carrying Csah 39 over Necktie River in Hubbard County, Minnesota. It was built in 2012, so it is 13 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 400 vehicles a day, projected to reach 465 by 2042. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 39
CrossesNecktie River
Location0.5 MI W of JCT Csah 45
RouteCounty Highway 39
Coordinates47.25188, -94.73864
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.7 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span38 ft (11.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic465 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 39 over Necktie River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Csah 39 over Necktie River 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 September 2023.

How much traffic does Csah 39 over Necktie River carry?

About 400 vehicles per day (2022 count).

How long is Csah 39 over Necktie River?

The structure is 101 ft (30.8 m) long with a longest span of 38 ft (11.6 m) and a deck 39 ft wide.

Who owns Csah 39 over Necktie River?

It is owned by the County Highway Agency.