US Bridges

T 88 over CO Ditch # 4A

Good

Wilkin County, Minnesota · 1.1 MI Wof JCT Csah 17 · Structure no. 84J52

Built
2001
24 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
16
2001 count
Owner
County
County Highway Agency

About this bridge

T 88 over CO Ditch # 4A is a concrete culvert carrying T 88 over CO Ditch # 4A in Wilkin County, Minnesota. It was built in 2001, so it is 24 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16 vehicles a day, projected to reach 16 by 2029. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 88
CrossesCO Ditch # 4A
Location1.1 MI Wof JCT Csah 17
RouteCounty Highway 88
Coordinates46.23919, -96.43196
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2001)
Projected traffic16 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 88 over CO Ditch # 4A built?

It was built in 2001, making it 24 years old in 2025.

What condition is T 88 over CO Ditch # 4A in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does T 88 over CO Ditch # 4A carry?

About 16 vehicles per day (2001 count).

How long is T 88 over CO Ditch # 4A?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns T 88 over CO Ditch # 4A?

It is owned by the County Highway Agency.