US Bridges

T 229 over S Br Buffalo River

Good

Clay County, Minnesota · 0.3 MI W of JCT Csah 52 · Structure no. 14554

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
49
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 229 over S Br Buffalo River is a prestressed concrete stringer/multi-beam or girder carrying T 229 over S Br Buffalo River in Clay County, Minnesota. It was built in 2013, so it is 12 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 49 vehicles a day, projected to reach 49 by 2032. The structure is 91 ft (27.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 229
CrossesS Br Buffalo River
Location0.3 MI W of JCT Csah 52
RouteCounty Highway 229
Coordinates46.76117, -96.63803
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.3 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2012)
Projected traffic49 by 2032
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 229 over S Br Buffalo River built?

It was built in 2013, making it 12 years old in 2025.

What condition is T 229 over S Br Buffalo River 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 August 2023.

How much traffic does T 229 over S Br Buffalo River carry?

About 49 vehicles per day (2012 count).

How long is T 229 over S Br Buffalo River?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 31 ft wide.

Who owns T 229 over S Br Buffalo River?

It is owned by the Town or Township Highway Agency.