US Bridges

T 230 over Mid Br Two Rivers

Good

Kittson County, Minnesota · 0.1 MI S of JCT TH 175 · Structure no. 35522

Built
1989
36 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
12
1991 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 230 over Mid Br Two Rivers is a prestressed concrete tee beam carrying T 230 over Mid Br Two Rivers in Kittson County, Minnesota. It was built in 1989, so it is 36 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12 vehicles a day, projected to reach 12 by 2029. The structure is 76 ft (23.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 230
CrossesMid Br Two Rivers
Location0.1 MI S of JCT TH 175
RouteCounty Highway 230
Coordinates48.77412, -96.84354
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length76 ft (23.3 m)
Longest span73 ft (22.4 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (1991)
Projected traffic12 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 230 over Mid Br Two Rivers built?

It was built in 1989, making it 36 years old in 2025.

What condition is T 230 over Mid Br Two Rivers 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 October 2024.

How much traffic does T 230 over Mid Br Two Rivers carry?

About 12 vehicles per day (1991 count).

How long is T 230 over Mid Br Two Rivers?

The structure is 76 ft (23.3 m) long with a longest span of 73 ft (22.4 m) and a deck 36 ft wide.

Who owns T 230 over Mid Br Two Rivers?

It is owned by the Town or Township Highway Agency.