US Bridges

T 156 over Spring Creek

FairPosted for load

Yellow Medicine County, Minnesota · 0.4 MI N of JCT Csah 3 · Structure no. 87542

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
105 ft
3 main spans
Daily traffic
25
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 156 over Spring Creek is a steel continuous stringer/multi-beam or girder carrying T 156 over Spring Creek in Yellow Medicine 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 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2029. The structure is 105 ft (32.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 156
CrossesSpring Creek
Location0.4 MI N of JCT Csah 3
RouteCounty Highway 156
Coordinates44.72206, -95.6858
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.8 US tons
Inventory rating18.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1990)
Projected traffic25 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 156 over Spring Creek built?

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

What condition is T 156 over Spring 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 August 2024.

How much traffic does T 156 over Spring Creek carry?

About 25 vehicles per day (1990 count).

How long is T 156 over Spring Creek?

The structure is 105 ft (32.1 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns T 156 over Spring Creek?

It is owned by the Town or Township Highway Agency.