US Bridges

T 76 over Buffalo River

PoorClosed to traffic

Clay County, Minnesota · 0.8 MI W of JCT Csah 5 · Structure no. L8275

Built
1959
66 years old
Condition
Poor
inspected August 2022
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
1 main span
Daily traffic
9
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 76 over Buffalo River is a wood or timber stringer/multi-beam or girder carrying T 76 over Buffalo River in Clay County, Minnesota. It was built in 1959, so it is 66 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 9 vehicles a day, projected to reach 9 by 2029. The structure is 41 ft (12.4 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 76
CrossesBuffalo River
Location0.8 MI W of JCT Csah 5
RouteCounty Highway 76
Coordinates47.0357, -96.74933
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (1986)
Projected traffic9 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$129 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 76 over Buffalo River built?

It was built in 1959, making it 66 years old in 2025.

What condition is T 76 over Buffalo River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2022.

How much traffic does T 76 over Buffalo River carry?

About 9 vehicles per day (1986 count).

How long is T 76 over Buffalo River?

The structure is 41 ft (12.4 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns T 76 over Buffalo River?

It is owned by the Town or Township Highway Agency.