US Bridges

Csah 14 over Big Fork River

Fair

Itasca County, Minnesota · 4.0 MI W of JCT TH 6 · Structure no. 31557

Built
2013
12 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
215
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 14 over Big Fork River is a concrete continuous slab carrying Csah 14 over Big Fork River in Itasca County, Minnesota. It was built in 2013, so it is 12 years old, younger 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 215 vehicles a day, projected to reach 200 by 2040. The structure is 128 ft (38.9 m) long and 35 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesCsah 14
CrossesBig Fork River
Location4.0 MI W of JCT TH 6
RouteCounty Highway 14
CountyItasca County
StateMinnesota
Coordinates47.76058, -93.85536
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating44.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length128 ft (38.9 m)
Longest span49 ft (14.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2020)
Projected traffic200 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 14 over Big Fork River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Csah 14 over Big Fork 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 November 2023.

How much traffic does Csah 14 over Big Fork River carry?

About 215 vehicles per day (2020 count).

How long is Csah 14 over Big Fork River?

The structure is 128 ft (38.9 m) long with a longest span of 49 ft (14.8 m) and a deck 35 ft wide.

Who owns Csah 14 over Big Fork River?

It is owned by the County Highway Agency.