US Bridges

Csah 8 over State Line Creek

Good

Carlton County, Minnesota · 0.3 MI W of State Line · Structure no. 09536

Built
2020
5 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
134 ft
1 main span
Daily traffic
142
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over State Line Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 8 over State Line Creek in Carlton County, Minnesota. It was built in 2020, so it is 5 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 142 vehicles a day, projected to reach 96 by 2042. The structure is 134 ft (40.9 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesCsah 8
CrossesState Line Creek
Location0.3 MI W of State Line
RouteCounty Highway 8
Coordinates46.48943, -92.30024
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length134 ft (40.9 m)
Longest span132 ft (40.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142 (2022)
Projected traffic96 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 8 over State Line Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 8 over State Line 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 December 2024.

How much traffic does Csah 8 over State Line Creek carry?

About 142 vehicles per day (2022 count).

How long is Csah 8 over State Line Creek?

The structure is 134 ft (40.9 m) long with a longest span of 132 ft (40.2 m) and a deck 35 ft wide.

Who owns Csah 8 over State Line Creek?

It is owned by the County Highway Agency.