US Bridges

Csah 45 over Necktie River (sd #82)

Fair

Hubbard County, Minnesota · 1.5 MI N;w of JCT Csah 16 · Structure no. 29512

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
72 ft
3 main spans
Daily traffic
789
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 45 over Necktie River (sd #82) is a wood or timber slab carrying Csah 45 over Necktie River (sd #82) in Hubbard County, Minnesota. It was built in 1981, so it is 44 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 789 vehicles a day, projected to reach 540 by 2042. The structure is 72 ft (21.9 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 45
CrossesNecktie River (sd #82)
Location1.5 MI N;w of JCT Csah 16
RouteCounty Highway 45
Coordinates47.30977, -94.73692
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.1 US tons
Inventory rating47.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic789 (2022)
Projected traffic540 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 (sd #82) built?

It was built in 1981, making it 44 years old in 2025.

What condition is Csah 45 over Necktie River (sd #82) 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 (sd #82) carry?

About 789 vehicles per day (2022 count).

How long is Csah 45 over Necktie River (sd #82)?

The structure is 72 ft (21.9 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns Csah 45 over Necktie River (sd #82)?

It is owned by the County Highway Agency.