US Bridges

T 68 over Jd 18

Good

Sibley County, Minnesota · 1.7 MI S of JCT Csah 26 · Structure no. 96309

Built
1989
36 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
35
1989 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 68 over Jd 18 is a concrete culvert carrying T 68 over Jd 18 in Sibley County, Minnesota. It was built in 1989, so it is 36 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 35 vehicles a day, projected to reach 35 by 2029. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 68
CrossesJd 18
Location1.7 MI S of JCT Csah 26
RouteCounty Highway 68
Coordinates44.58491, -94.23409
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1989)
Projected traffic35 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 68 over Jd 18 built?

It was built in 1989, making it 36 years old in 2025.

What condition is T 68 over Jd 18 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 November 2024.

How much traffic does T 68 over Jd 18 carry?

About 35 vehicles per day (1989 count).

How long is T 68 over Jd 18?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3.1 m).

Who owns T 68 over Jd 18?

It is owned by the Town or Township Highway Agency.