US Bridges

T 343 over Steward Creek (cd #23)

Poor

Freeborn County, Minnesota · 0.2 MI S of JCT Csah 15 · Structure no. 24505

Built
1963
62 years old
Condition
Poor
inspected January 2025
Type
Slab
Wood or Timber
Length
37 ft
2 main spans
Daily traffic
72
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 343 over Steward Creek (cd #23) is a wood or timber slab carrying T 343 over Steward Creek (cd #23) in Freeborn County, Minnesota. It was built in 1963, so it is 62 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 72 vehicles a day, projected to reach 72 by 2029. The structure is 37 ft (11.3 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 343
CrossesSteward Creek (cd #23)
Location0.2 MI S of JCT Csah 15
RouteCounty Highway 343
Coordinates43.58281, -93.54847
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length37 ft (11.3 m)
Longest span16 ft (5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (1973)
Projected traffic72 by 2029
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$1,000 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 343 over Steward Creek (cd #23) built?

It was built in 1963, making it 62 years old in 2025.

What condition is T 343 over Steward Creek (cd #23) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does T 343 over Steward Creek (cd #23) carry?

About 72 vehicles per day (1973 count).

How long is T 343 over Steward Creek (cd #23)?

The structure is 37 ft (11.3 m) long with a longest span of 16 ft (5 m) and a deck 27 ft wide.

Who owns T 343 over Steward Creek (cd #23)?

It is owned by the Town or Township Highway Agency.