US Bridges

T 129 over Stream

Good

Lyon County, Minnesota · 0.5 MI W of JCT Csah 9 · Structure no. 42J15

Built
2003
22 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
30
2002 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 129 over Stream is a concrete culvert carrying T 129 over Stream in Lyon County, Minnesota. It was built in 2003, so it is 22 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 30 vehicles a day, projected to reach 30 by 2029. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 129
CrossesStream
Location0.5 MI W of JCT Csah 9
RouteCounty Highway 129
Coordinates44.37048, -95.70465
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 inspectionOctober 2021
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 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 (8.3 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 traffic30 (2002)
Projected traffic30 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 129 over Stream built?

It was built in 2003, making it 22 years old in 2025.

What condition is T 129 over Stream 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 129 over Stream carry?

About 30 vehicles per day (2002 count).

How long is T 129 over Stream?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns T 129 over Stream?

It is owned by the Town or Township Highway Agency.