US Bridges

T 320 over Chetamba Creek

Good

Renville County, Minnesota · 0.4 MI N of JCT Csah 11 · Structure no. 65579

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
55
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 320 over Chetamba Creek is a concrete continuous slab carrying T 320 over Chetamba Creek in Renville 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 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 55 vehicles a day, projected to reach 61 by 2044. The structure is 79 ft (24.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 320
CrossesChetamba Creek
Location0.4 MI N of JCT Csah 11
RouteCounty Highway 320
Coordinates44.83988, -95.23924
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length79 ft (24.1 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2024)
Projected traffic61 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 320 over Chetamba Creek built?

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

What condition is T 320 over Chetamba 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 September 2024.

How much traffic does T 320 over Chetamba Creek carry?

About 55 vehicles per day (2024 count).

How long is T 320 over Chetamba Creek?

The structure is 79 ft (24.1 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns T 320 over Chetamba Creek?

It is owned by the Town or Township Highway Agency.