US Bridges

T 70 over Chippewa River

Good

Pope County, Minnesota · 0.9 MI W of JCT Csah 1 · Structure no. 97586

Built
1992
33 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
64 ft
4 main spans
Daily traffic
50
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 70 over Chippewa River is a concrete culvert carrying T 70 over Chippewa River in Pope County, Minnesota. It was built in 1992, so it is 33 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 64 ft (19.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 70
CrossesChippewa River
Location0.9 MI W of JCT Csah 1
RouteCounty Highway 70
Coordinates45.59997, -95.6952
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1993)
Projected traffic50 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 70 over Chippewa River built?

It was built in 1992, making it 33 years old in 2025.

What condition is T 70 over Chippewa River 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 September 2022.

How much traffic does T 70 over Chippewa River carry?

About 50 vehicles per day (1993 count).

How long is T 70 over Chippewa River?

The structure is 64 ft (19.5 m) long with a longest span of 12 ft (3.6 m).

Who owns T 70 over Chippewa River?

It is owned by the Town or Township Highway Agency.