US Bridges

T 310 over N Br Two Rivers

PoorClosed to traffic

Kittson County, Minnesota · 0.3 MI E of JCT Csah 1 · Structure no. L4436

Built
1907
118 years old
Condition
Poor
inspected October 2012
Type
Truss - Thru
Steel
Length
51 ft
1 main span
Daily traffic
12
1991 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 310 over N Br Two Rivers is a steel truss - thru carrying T 310 over N Br Two Rivers in Kittson County, Minnesota. It was built in 1907, so it is 118 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 0 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 12 vehicles a day, projected to reach 12 by 2029. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 310
CrossesN Br Two Rivers
Location0.3 MI E of JCT Csah 1
RouteCounty Highway 310
Coordinates48.84668, -96.92478
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection0 FailedOut of service and beyond corrective action.
Last inspectionOctober 2012
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour evaluation has not been made
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating16.1 US tons
Inventory rating12.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (1991)
Projected traffic12 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$168 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 310 over N Br Two Rivers built?

It was built in 1907, making it 118 years old in 2025.

What condition is T 310 over N Br Two Rivers 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 October 2012.

How much traffic does T 310 over N Br Two Rivers carry?

About 12 vehicles per day (1991 count).

How long is T 310 over N Br Two Rivers?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns T 310 over N Br Two Rivers?

It is owned by the Town or Township Highway Agency.