US Bridges

US 10 over S Br Buffalo R

Fair

Clay County, Minnesota · 6.0 MI W of JCT TH 9 · Structure no. 14001

Built
1964
61 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
223 ft
3 main spans
Daily traffic
8,105
2022 count
Owner
State
State Highway Agency

About this bridge

US 10 over S Br Buffalo R is a steel continuous stringer/multi-beam or girder carrying US 10 over S Br Buffalo R in Clay County, Minnesota. It was built in 1964, so it is 61 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 8,105 vehicles a day, roughly 9% of them trucks, projected to reach 8,300 by 2042. The structure is 223 ft (68 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 10
CrossesS Br Buffalo R
Location6.0 MI W of JCT TH 9
RouteU.S. Route 10
Coordinates46.87662, -96.63316
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 within limits of footing or piles
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 rating57.2 US tons
Inventory rating34.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length223 ft (68 m)
Longest span85 ft (25.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,105 (2022)
Projected traffic8,300 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 10 over S Br Buffalo R built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 10 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 US 10 over S Br Buffalo R carry?

About 8,105 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 10 over S Br Buffalo R?

The structure is 223 ft (68 m) long with a longest span of 85 ft (25.9 m) and a deck 43 ft wide.

Who owns US 10 over S Br Buffalo R?

It is owned by the State Highway Agency.