US Bridges

T 68 over Butterfield Creek

Good

Watonwan County, Minnesota · 1.0 MI W of JCT Csah 27 · Structure no. L9438

Built
1973
52 years old, rebuilt 2004
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
30
1985 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 68 over Butterfield Creek is a concrete culvert carrying T 68 over Butterfield Creek in Watonwan County, Minnesota. It was built in 1973 and reconstructed in 2004, so it is 52 years old, older 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 30 vehicles a day, projected to reach 30 by 2029. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 68
CrossesButterfield Creek
Location1.0 MI W of JCT Csah 27
RouteCounty Highway 68
Coordinates44.03659, -94.60882
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 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 spans2
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1985)
Projected traffic30 by 2029
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$125 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 68 over Butterfield Creek built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2004.

What condition is T 68 over Butterfield 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 October 2022.

How much traffic does T 68 over Butterfield Creek carry?

About 30 vehicles per day (1985 count).

How long is T 68 over Butterfield Creek?

The structure is 35 ft (10.6 m) long with a longest span of 14 ft (4.3 m).

Who owns T 68 over Butterfield Creek?

It is owned by the Town or Township Highway Agency.