US Bridges

Csah 45 over Nokasippi River

Fair

Crow Wing County, Minnesota · 0.4 MI N of JCT Csah 2 · Structure no. 18504

Built
1970
55 years old, rebuilt 2022
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
94 ft
3 main spans
Daily traffic
840
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 45 over Nokasippi River is a wood or timber slab carrying Csah 45 over Nokasippi River in Crow Wing County, Minnesota. It was built in 1970 and reconstructed in 2022, so it is 55 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 840 vehicles a day, projected to reach 1,181 by 2039. The structure is 94 ft (28.5 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 45
CrossesNokasippi River
Location0.4 MI N of JCT Csah 2
RouteCounty Highway 45
Coordinates46.21469, -94.1884
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHL 93
Structure length94 ft (28.5 m)
Longest span31 ft (9.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2019)
Projected traffic1,181 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nokasippi River built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2022.

What condition is Csah 45 over Nokasippi 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 October 2024.

How much traffic does Csah 45 over Nokasippi River carry?

About 840 vehicles per day (2019 count).

How long is Csah 45 over Nokasippi River?

The structure is 94 ft (28.5 m) long with a longest span of 31 ft (9.4 m) and a deck 42 ft wide.

Who owns Csah 45 over Nokasippi River?

It is owned by the County Highway Agency.