US Bridges

T 59 over S Br Mid Fk Zumbro River

PoorPosted for load

Dodge County, Minnesota · 0.1 MI W of JCT Csah 9 · Structure no. 20535

Built
1981
44 years old
Condition
Poor
inspected July 2024
Type
Slab
Wood or Timber
Length
120 ft
4 main spans
Daily traffic
155
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 59 over S Br Mid Fk Zumbro River is a wood or timber slab carrying T 59 over S Br Mid Fk Zumbro River in Dodge County, Minnesota. It was built in 1981, so it is 44 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 3 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. Its operating status is: posted for load restriction.

It carries about 155 vehicles a day, projected to reach 155 by 2029. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 59
CrossesS Br Mid Fk Zumbro River
Location0.1 MI W of JCT Csah 9
RouteCounty Highway 59
Coordinates44.07856, -92.82121
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (1993)
Projected traffic155 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was T 59 over S Br Mid Fk Zumbro River built?

It was built in 1981, making it 44 years old in 2025.

What condition is T 59 over S Br Mid Fk Zumbro River 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 July 2024.

How much traffic does T 59 over S Br Mid Fk Zumbro River carry?

About 155 vehicles per day (1993 count).

How long is T 59 over S Br Mid Fk Zumbro River?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns T 59 over S Br Mid Fk Zumbro River?

It is owned by the Town or Township Highway Agency.