US Bridges

T 336 over Chippewa River

Good

Grant County, Minnesota · 1.0 MI E of JCT TH 55 · Structure no. R0224

Built
1988
37 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
27
1970 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 336 over Chippewa River is a concrete culvert carrying T 336 over Chippewa River in Grant County, Minnesota. It was built in 1988, so it is 37 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 27 vehicles a day, projected to reach 27 by 2029. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 336
CrossesChippewa River
Location1.0 MI E of JCT TH 55
RouteCounty Highway 336
Coordinates45.81775, -95.76227
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
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 alignment7: Better than present minimum criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (1970)
Projected traffic27 by 2029
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

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 336 over Chippewa River built?

It was built in 1988, making it 37 years old in 2025.

What condition is T 336 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 October 2021.

How much traffic does T 336 over Chippewa River carry?

About 27 vehicles per day (1970 count).

How long is T 336 over Chippewa River?

The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.7 m).

Who owns T 336 over Chippewa River?

It is owned by the Town or Township Highway Agency.