US Bridges

T 71 over High Island Creek (cd 8)

Good

Sibley County, Minnesota · 0.2 MI N of JCT Csah 12 · Structure no. 72J03

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
36
1995 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 71 over High Island Creek (cd 8) is a concrete culvert carrying T 71 over High Island Creek (cd 8) in Sibley County, Minnesota. It was built in 1995, so it is 30 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 36 vehicles a day, projected to reach 36 by 2029. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 71
CrossesHigh Island Creek (cd 8)
Location0.2 MI N of JCT Csah 12
RouteCounty Highway 71
Coordinates44.61866, -94.16817
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 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 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 length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (1995)
Projected traffic36 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

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 71 over High Island Creek (cd 8) built?

It was built in 1995, making it 30 years old in 2025.

What condition is T 71 over High Island Creek (cd 8) 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 71 over High Island Creek (cd 8) carry?

About 36 vehicles per day (1995 count).

How long is T 71 over High Island Creek (cd 8)?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns T 71 over High Island Creek (cd 8)?

It is owned by the Town or Township Highway Agency.