US Bridges

T 120 over Prairie Creek

Fair

Goodhue County, Minnesota · 0.3 MI E of JCT TH 19 · Structure no. 25616

Built
2014
11 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
50
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 120 over Prairie Creek is a concrete continuous slab carrying T 120 over Prairie Creek in Goodhue County, Minnesota. It was built in 2014, so it is 11 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 50 by 2031. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 120
CrossesPrairie Creek
Location0.3 MI E of JCT TH 19
RouteCounty Highway 120
Coordinates44.47176, -93.00362
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2013)
Projected traffic50 by 2031
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 120 over Prairie Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is T 120 over Prairie Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does T 120 over Prairie Creek carry?

About 50 vehicles per day (2013 count).

How long is T 120 over Prairie Creek?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns T 120 over Prairie Creek?

It is owned by the Town or Township Highway Agency.