US Bridges

T 12 over Jack Creek

Good

Murray County, Minnesota · 1.1 MI E of JCT Csah 34 · Structure no. 96479

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
44
1989 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 12 over Jack Creek is a concrete culvert carrying T 12 over Jack Creek in Murray County, Minnesota. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44 vehicles a day, projected to reach 44 by 2029. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 12
CrossesJack Creek
Location1.1 MI E of JCT Csah 34
RouteCounty Highway 12
Coordinates43.89171, -95.68145
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.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (1989)
Projected traffic44 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 12 over Jack Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is T 12 over Jack Creek 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 September 2024.

How much traffic does T 12 over Jack Creek carry?

About 44 vehicles per day (1989 count).

How long is T 12 over Jack Creek?

The structure is 36 ft (10.9 m) long with a longest span of 14 ft (4.4 m).

Who owns T 12 over Jack Creek?

It is owned by the Town or Township Highway Agency.