US Bridges

T 198 over CO Ditch # 11

PoorPosted for load

Martin County, Minnesota · 0.8 MI E of JCT Csah 19 · Structure no. 46548

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
62 ft
3 main spans
Daily traffic
22
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 198 over CO Ditch # 11 is a wood or timber slab carrying T 198 over CO Ditch # 11 in Martin County, Minnesota. It was built in 1980, so it is 45 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 22 vehicles a day, projected to reach 22 by 2029. The structure is 62 ft (18.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 198
CrossesCO Ditch # 11
Location0.8 MI E of JCT Csah 19
RouteCounty Highway 198
Coordinates43.59012, -94.68083
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length62 ft (18.9 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 traffic22 (1986)
Projected traffic22 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 198 over CO Ditch # 11 built?

It was built in 1980, making it 45 years old in 2025.

What condition is T 198 over CO Ditch # 11 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 October 2024.

How much traffic does T 198 over CO Ditch # 11 carry?

About 22 vehicles per day (1986 count).

How long is T 198 over CO Ditch # 11?

The structure is 62 ft (18.9 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns T 198 over CO Ditch # 11?

It is owned by the Town or Township Highway Agency.