US Bridges

T 120 over Turtle Creek

GoodPosted for load

Steele County, Minnesota · 0.7 MI S of JCT Csah 6 · Structure no. 74536

Built
1982
43 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
29
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 120 over Turtle Creek is a wood or timber slab carrying T 120 over Turtle Creek in Steele County, Minnesota. It was built in 1982, so it is 43 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 29 vehicles a day, projected to reach 29 by 2035. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 120
CrossesTurtle Creek
Location0.7 MI S of JCT Csah 6
RouteCounty Highway 120
Coordinates44.02282, -93.18592
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2018)
Projected traffic29 by 2035
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 120 over Turtle Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is T 120 over Turtle 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 2024.

How much traffic does T 120 over Turtle Creek carry?

About 29 vehicles per day (2018 count).

How long is T 120 over Turtle Creek?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns T 120 over Turtle Creek?

It is owned by the Town or Township Highway Agency.