US Bridges

Csah 14 over Rr;knowlton Creek

Good

St. Louis County, Minnesota · 0.2 MI S of JCT TH 35 · Structure no. 69A74

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
237 ft
2 main spans
Daily traffic
4,150
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 14 over Rr;knowlton Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 14 over Rr;knowlton Creek in St. Louis County, Minnesota. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,150 vehicles a day, projected to reach 4,969 by 2043. The structure is 237 ft (72.1 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCsah 14
CrossesRr;knowlton Creek
Location0.2 MI S of JCT TH 35
RouteCounty Highway 14
CountySt. Louis County
StateMinnesota
Coordinates46.72511, -92.22196
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length237 ft (72.1 m)
Longest span120 ft (36.6 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2019)
Projected traffic4,969 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 14 over Rr;knowlton Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 14 over Rr;knowlton Creek 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 November 2024.

How much traffic does Csah 14 over Rr;knowlton Creek carry?

About 4,150 vehicles per day (2019 count).

How long is Csah 14 over Rr;knowlton Creek?

The structure is 237 ft (72.1 m) long with a longest span of 120 ft (36.6 m) and a deck 45 ft wide.

Who owns Csah 14 over Rr;knowlton Creek?

It is owned by the County Highway Agency.