US Bridges

T 24 over Stony Brook

Good

Jackson County, Minnesota · 1.6 MI SW of JCT Csah 23 · Structure no. 32547

Built
1994
31 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
25
1988 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 24 over Stony Brook is a prestressed concrete tee beam carrying T 24 over Stony Brook in Jackson County, Minnesota. It was built in 1994, so it is 31 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 25 vehicles a day, projected to reach 25 by 2029. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 24
CrossesStony Brook
Location1.6 MI SW of JCT Csah 23
RouteCounty Highway 24
Coordinates43.55151, -94.97099
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span33 ft (10.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1988)
Projected traffic25 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$193 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 24 over Stony Brook built?

It was built in 1994, making it 31 years old in 2025.

What condition is T 24 over Stony Brook 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 2023.

How much traffic does T 24 over Stony Brook carry?

About 25 vehicles per day (1988 count).

How long is T 24 over Stony Brook?

The structure is 100 ft (30.5 m) long with a longest span of 33 ft (10.2 m) and a deck 32 ft wide.

Who owns T 24 over Stony Brook?

It is owned by the Town or Township Highway Agency.