US Bridges

I 94 over S Br Buffalo R

Fair

Clay County, Minnesota · 1.8 MI E of JCT TH 336 · Structure no. 14803

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
516 ft
9 main spans
Daily traffic
9,124
2022 count
Owner
State
State Highway Agency

About this bridge

I 94 over S Br Buffalo R is a steel continuous stringer/multi-beam or girder carrying I 94 over S Br Buffalo R in Clay County, Minnesota. It was built in 1968, so it is 57 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,124 vehicles a day, roughly 17% of them trucks, projected to reach 10,300 by 2042. The structure is 516 ft (157.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 94
CrossesS Br Buffalo R
Location1.8 MI E of JCT TH 336
RouteInterstate 94
Coordinates46.83425, -96.62123
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length516 ft (157.2 m)
Longest span78 ft (23.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,124 (2022)
Projected traffic10,300 by 2042
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 94 over S Br Buffalo R built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 94 over S Br Buffalo R in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does I 94 over S Br Buffalo R carry?

About 9,124 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I 94 over S Br Buffalo R?

The structure is 516 ft (157.2 m) long with a longest span of 78 ft (23.8 m) and a deck 43 ft wide.

Who owns I 94 over S Br Buffalo R?

It is owned by the State Highway Agency.