US Bridges

Csah 45 over Necktie River

Fair

Hubbard County, Minnesota · 0.2 MI S of JCT Csah 39 · Structure no. 29506

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
54 ft
3 main spans
Daily traffic
496
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 45 over Necktie River is a wood or timber slab carrying Csah 45 over Necktie River in Hubbard County, Minnesota. It was built in 1967, so it is 58 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 496 vehicles a day, projected to reach 455 by 2042. The structure is 54 ft (16.5 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 45
CrossesNecktie River
Location0.2 MI S of JCT Csah 39
RouteCounty Highway 45
CountyHubbard County
StateMinnesota
Coordinates47.24799, -94.72782
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic496 (2022)
Projected traffic455 by 2042
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 45 over Necktie River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 45 over Necktie River 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 September 2023.

How much traffic does Csah 45 over Necktie River carry?

About 496 vehicles per day (2022 count).

How long is Csah 45 over Necktie River?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 42 ft wide.

Who owns Csah 45 over Necktie River?

It is owned by the County Highway Agency.